1. (a) A newspaper costs 92 cents each day. I buy a newspaper every day for 8 weeks. How much will they cost in total?
(b) I buy a three CDs for $32.50 each. (i) How much do I have to pay? (ii) How much change will I get from five $20 notes?
(c) A car dealer buys three cars for $3,450, $4,290 and $5,200. He sells them for a total of $20,000. How much profit does he make?
2. A supermarket sends out the following advertisement:
KIWIFRUIT 86 cents per kg |
CHOCOLATE BARS 2 for $2.70 |
What is the cost of: (a) 9 bars of chocolate? (b) 4 dozen eggs? (c) 5 crayfish? (d) 3.5 kg of kiwifruit? (e) 3 eggs? (f) What is the total cost of the groceries? (g) What would this total be rounded to? |
|
CRAYFISH $21 each |
EGGS $1.40 per half doz. |
3. Round the following amounts of money to the nearest 5 cents.
(a) 49 cents
(b) $3.87
(c) $5.31
(d) $100.04
4. The following table shows the cost PER DAY (in New Zealand dollars) of rental cars in Britain:
Type of car
|
Doors/seats
|
3-6 days
|
7-21 days
|
More than 21 days
|
Fiat Sciecento |
3/3
|
68
|
52
|
51
|
Peugeot 306 |
5/4
|
112
|
90
|
86
|
Volvo S40 |
4/5
|
157
|
141
|
131
|
(a) What is the cost of renting the Fiat for 22 days?
(b) Which is cheaper? The Peugeot for 7 days or the Volvo for 4 days?
(c) A family wants to rent a 3 door car for a week and a 5 seat car for three weeks. How much will it cost in total?
5. How much change (round where necessary) would I get from $10 when I purchase:
(a) Four bars of chocolate at $1.95 each?
(b) 9 litres of petrol at 94 cents per litre?
(c) 4 loaves of bread at $2.12 each?