Pamela had four times the number of metallic bricks as Wesley. Pamela used all her bricks to build 8 identical cars. Wesley used all his bricks to build 3 identical cars. Pamela used 9 more bricks than Wesley for each car. How many bricks did Wesley have?
| |
Pamela |
Wesley |
| Number |
8 |
3 |
| Value |
1 u + 9 |
1 u |
| Total value |
8 u + 72 |
3 u |
Number of metallic bricks that Wesley used for each car = 1 u
Number of metallic bricks that Pamela used for each car = 1 u + 9
Number of metallic bricks that Wesley had
= 3 x 1 u
= 3 u
Number of metallic bricks that Pamela had
= 8 x (1 u + 9)
= 8 u + 72
Pamela had four times the number of metallic bricks as Wesley.
4 x 3 u = 8 u + 72
12 u = 8 u + 72
12 u - 8 u = 72
4 u = 72
1 u = 72 ÷ 4 = 18
Number of bricks that Wesley had
= 3 u
= 3 x 18
= 54
Answer(s): 54
