1 a. $7.50 b. $10.10 c. $18.05 d. 111.10

 

2. a. $10.10 b. $19.98 c. $5.45
Y7_Money_ex_01.jpg
d. $12.45 e. $5.35

f. $909 091

 

Y7_Money_ex_02.jpg
3. a. $20.00 b. $27.65 c. $313.50
d. $1.10 e. $10.55 f. $501.00

4. (a) 50 cents
(b) $3.85
(c) $5.30
(d) $100.05

5. a. $54.00 b.$250 c. $468
d. 37.5% e. $374 f. $640

 

6. a.It would cost $4092 to hire the Ferrari for 22 days.
b. The BMW would be cheaper than the Subaru.
c. The cheapest way would be to hire the Ferrari for a week and then the Subaru for three weeks for a total cost of $3612
Y7_Money_ex_03.jpg
7. a. $91.00 b. $57.45 c. $359.40 d. $136.95
e. $153.00 f. $102.95 g. $34.24  

8. a. $0.75 
b. $1.25
c. $1.55

9. a. $46.55
b. (i) $167.50 (ii) $32.50
c. He makes $7060 profit.

10. She would be able to buy 5 DVDs.