Pamela bought some Literature books at $12 each. She also bought an equal number of Maths books at a different price. The average price of one Literature and one Maths book was $8. Pamela paid $88 more for the Literature books than the Maths books.
- What was the cost of one Maths book?
- How many Literature books did Pamela buy?
|
Literature |
Maths |
More |
Number |
1 u |
1 u |
|
Value |
$12 |
$4 |
|
Total value |
12 u |
4 u |
$88 |
(a)
Price of one Maths book
= 2 x 8 - 12
= 16 - 12
= $4
Amount that Pamela paid more for Literature books than Maths books
= 12 u - 4 u
= 8 u
8 u = 88
1 u = 88 ÷ 8 = 11
Number of Literature books that Pamela bought
= 1 u
= 11
Answer(s): (a) $4; (b) 11