©TeeJay Publishers 2008 page 45 Access 3 - Ch 14 - Number Problems 2

Exercise 14.1

Chapter 14Number

Problems 2

Access 3H o m e w o r k

1. A packet of balloons contains 145 coloured balloons.Melchester Juniors buy 8 packets to decorate one of their grandstands.79 balloons burst when they are being inflated.

How many were successfully inflated ?

2. Bill works every day of the week except Wednesday, his day off.Each working day, Bill cycles the 5·75 kilometres to work and then he cycles back home again.

How far does he cycle each week ?

3. Tiles are sold in boxes of 7. A tiler needs 168 tiles for a kitchen.

a How many boxes does he need ?

He later finds that the tiles work out cheaper if he buys them in boxes of 10.

b How many boxes does he need to buy now ?

c If a box of ten costs £8·32, how much will he have to pay for the tiles he needs ?

Exercise 14.2

1. Zeeta bought 5 kebabs each costing £3·99.She paid for them with a £10 note and five £2 coins.

How much change did she receive ?

2. A new mini camcorder costs £134·40.Sammi saves £8·40 every week.

How many weeks will it take her to save up for the camcorder ?

3. a Gerry has an annual salary of £32 880 a year.

How much does he earn each month ?

b Stanley earns £6532·80 annually (yearly).

How much does he earn in three months ?

c May gets paid £30 680 per annum.

How much does she earn in 1 week ? (there are 52 weeks in a year)

©TeeJay Publishers 2008 page 46 Access 3 - Ch 14 - Number Problems 2

Revision Exercise

1. a At a function, 198 sandwiches are laid out equally on six serving trays.

How many sandwiches are there on each tray ?

b Cheri gets £8·50 per week pocket money.

She buys a PC magazine for £1·80 and 5 bottles of water at 65p each.

Cheri saves the rest.

How much will she have saved over 52 weeks (a year) ?

2. Masie buys 9 jars of jelly beans to put in the vending machine in her club.

Each jar holds 64 beans.

When she is emptying the jars into the machine she drops many jelly beans onto the floor - 129 in total !

How many “clean” jelly beans did she manage to load into the machine ?

3. a Kenny Dargo earns £48 600 per annum.

How much does he earn each month ?

b Amy Whineaway makes £8977·44 annually.

How much does she earn over 4 months ?

c Private. Mehmet gets paid £12·75 per hour as a chef in the army.

What is he paid if he works a five day week for eight hours each day ?

Exercise 14.3

1. a Sandra bought 4 ice-creams at £2·25 each and 3 milkshakes at £3·19 each.

How much change did Sandra get from £20 ?

b Andrew bought six dwarf conifers costing £14·75 each and nine plant pots at £2·89 each. He was presented with an incorrect bill for £115·51.

By how much was the bill incorrect ?

2. By working out the cost of a single item, state which shop gives the better deal.

Murphy’s 5 plates of pasta & meatballs for £32·85

O’Donnell’s 8 plates of pasta & meatballs for £52·48.