Mid-Semester Mid-Semester Exam Review Exam Review

77thth Grade Math Grade Math

Ms. Catherine SuttonMs. Catherine Sutton

Problem #1Problem #1

What is the solution to the inequality 1/3x + 4 < 8?

Answer #1Answer #1

X<12X<12

Problem #2Problem #2

Which expression is equivalent to Which expression is equivalent to (2x+4)-(6x+5)? (2x+4)-(6x+5)?

Answer #2Answer #2

-4x - 1-4x - 1

Problem #4Problem #4

What is the simplified form of What is the simplified form of

88xx – 11 – 11vv + 17 + 17xx + 5 + 5vv? ?

Answer #4Answer #4

25x – 6v25x – 6v

Problem #5Problem #5

Madison stayed 3 nights at a Madison stayed 3 nights at a hotel that charged hotel that charged xx dollars per  dollars per night. Sales tax was 12.5%. night. Sales tax was 12.5%. Which expression represents the Which expression represents the total cost Madison paid to stay 3 total cost Madison paid to stay 3 nights at the hotel? nights at the hotel?

Answer #5Answer #5

3x(1.125)3x(1.125)

Problem #6Problem #6

Which expression is equivalent to Which expression is equivalent to 

-1/3(3x-1/2) -1/3(3x-1/2)

Answer #6Answer #6

-x + 1/6-x + 1/6

Problem #7Problem #7

All coats are on sale for 25% off All coats are on sale for 25% off the original price. Michael is the original price. Michael is buying a coat that is originally buying a coat that is originally priced at $49. Sales tax is 6%. priced at $49. Sales tax is 6%. Which expression would calculate Which expression would calculate the final price of a coat? the final price of a coat?

Answer #7Answer #7

49(0.75)(1.06)49(0.75)(1.06)

Problem #8Problem #8

Carol wants to save 6% of her Carol wants to save 6% of her paycheck for her college fund. If paycheck for her college fund. If Carol’s paycheck were $650, Carol’s paycheck were $650, which expression would calculate which expression would calculate the amount of money Carol wants the amount of money Carol wants to save from her paycheck? to save from her paycheck?

Answer #8Answer #8

650(.06)650(.06)

Problem #9Problem #9

Three people went to lunch at a buffet Three people went to lunch at a buffet restaurant that charges $9.99 per restaurant that charges $9.99 per person for food. person for food. 

Each drink is an additional $1.99.Each drink is an additional $1.99. Sales tax is 8.5%.Sales tax is 8.5%. Each person orders a drink, food, and Each person orders a drink, food, and

leaves a $1.50 tip.leaves a $1.50 tip. How much was their total lunch bill?How much was their total lunch bill?

Answer #9Answer #9

$43.49$43.49

Problem #10Problem #10

  What is the value of –0.13 ÷ –What is the value of –0.13 ÷ –2.6? 2.6?

Answer #10Answer #10

0.050.05

Problem #11Problem #11

Which decimal is equivalent to Which decimal is equivalent to 

3 and 1/5  ? 3 and 1/5  ?

Answer #11Answer #11

3.23.2

Problem #12Problem #12

What is the value of What is the value of 

––2.54 – 6.18 + 4.25? 2.54 – 6.18 + 4.25?

Answer #12Answer #12

-4.47-4.47

Problem #13Problem #13

Which is equivalent to 2/3  ? Which is equivalent to 2/3  ?

Answer #13Answer #13

0.66 (repeating)0.66 (repeating)

Problem #14Problem #14

The Tigers football team gained 7 The Tigers football team gained 7 yards, lost 8 yards, and then lost yards, lost 8 yards, and then lost 7 more yards. What is the total 7 more yards. What is the total result of these three plays? result of these three plays?

Answer #14Answer #14

A loss of 8 yardsA loss of 8 yards

Problem #15Problem #15

Mary had $60 and spent  3/4 of it Mary had $60 and spent  3/4 of it for a coat. She then bought a skirt for a coat. She then bought a skirt with  1/2  the money she had left. with  1/2  the money she had left. How much money did she have How much money did she have left after buying her coat and left after buying her coat and skirt? skirt?

Answer #15Answer #15

$7.50$7.50

Problem #16Problem #16

Jill’s family went out for dinner. Jill’s family went out for dinner. The total dinner check was The total dinner check was $49.37. Jill’s dad left an 18% $49.37. Jill’s dad left an 18% tip. tip. AboutAbout how much tip did Jill’s  how much tip did Jill’s dad leave? dad leave?

Answer #16Answer #16

$7.50$7.50

Problem #17Problem #17

It took Melanie 1/3 of an hour It took Melanie 1/3 of an hour to ride her bike 2 and 3/4 of a to ride her bike 2 and 3/4 of a mile. How many miles per hour mile. How many miles per hour can Melanie ride her bike? can Melanie ride her bike?

Answer #17Answer #17

8 and 1/48 and 1/4

Problem #18Problem #18

John is painting a box that is John is painting a box that is shaped like a cube. One-eighth of shaped like a cube. One-eighth of a bottle of paint covers   of one a bottle of paint covers   of one face of the box. How many bottles face of the box. How many bottles of paint will John need to paint the of paint will John need to paint the entire box? entire box?

Answer #18Answer #18

11

Problem #19Problem #19

Baseball cards cost $3.79 a pack. Baseball cards cost $3.79 a pack. There is a 25% discount if 10 or There is a 25% discount if 10 or more packs are purchased. Sales more packs are purchased. Sales tax is 7%. If Terry bought 15 tax is 7%. If Terry bought 15 packs of cards, packs of cards, aboutabout how much  how much did he pay? did he pay?

Answer #19Answer #19

$45.00$45.00

Problem #20Problem #20

Janice is traveling at a constant Janice is traveling at a constant rate. She traveled 243 miles on 9 rate. She traveled 243 miles on 9 gallons of gas and 324 miles on gallons of gas and 324 miles on 12 gallons of gas. How many 12 gallons of gas. How many miles can Janice travel on one miles can Janice travel on one gallon of gas? gallon of gas?

Answer #20Answer #20

27 miles27 miles