Craft Fair Sales

• The students at the JH Williams School Craft Fair are selling necklaces, bracelets, and rings. Harry counted the necklaces and found that there were 6 short of 5 dozen. The students had 30 more rings than necklaces and a dozen fewer bracelets than rings.

• When packed in boxes holding 6 items per box, how many boxes of each item did they have?

Answer

• Necklaces: 9 boxes of necklacesRings: 14 boxes of ringsBracelets: 12 boxes of bracelets

Item Total NumberNumber of

Boxes

Necklaces5) – 660 – 6 = 54

54 ÷ 6 = 9

Rings 30 + 54 = 84 84 ÷ 6 = 14

Bracelets 84 – 12 = 72 72 ÷ 6 = 12

Lesson 5-5

Fractions and Percents

Words to Know

• Ratio: a comparison of two numbers by division. Ratios can be written in several different ways. 34

34 out of 50 34:50 50

• Percent: a ratio that compares a number to 100.

48 to 100 is the same as 48 %

• Ratio: a comparison of two numbers by division. Ratios can be written in several different ways. 34

34 out of 50 34:50 50

• Percent: a ratio that compares a number to 100.

48 to 100 is the same as 48 %

Writing a Fraction as a Percent

• You can write a fraction as a percent by finding an equivalent fraction with a denominator of 100.

=

x 5

x 5

3

20

15

10015 %

Your Turn

• Change each fraction to a percent

17 3 2

20 5 25

85% 60% 8%

Write a Percent as a Fraction

• 48% = 48

100

Simplify the fraction:

48 24 12

100 50 25 = =

Your Turn

• Change each percent to a fraction in simplest form.

• 40 % 6 % 24 %

• 2 3 6

5 50 25

Review

• Find the GCF of 16 and 40 • Write the fraction as a decimal 7

8• Write the decimal as a fraction in simplest

form .6• Write the fraction as a percent 4

5• Write the percent as a fraction in simplest form

80%

Homework

•Complete lesson 5-5

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