Hilda and Rachel had $148 at first. Hilda spent
47 of her money and Rachel spent
56 of her money. Given that they had $32 left, how much did Hilda have at first?
|
Hilda |
Rachel |
Total |
Before |
7 u |
6 p |
$148 |
Change |
- 4 u |
- 5 p |
|
After |
3 u |
1 p |
$32 |
7 u + 6 p = 148 --- (1)
3 u + 1 p = 32 --- (2)
(2) x 6 18 u + 6 p = 192 --- (3)
(3) - (1)
18 u - 7 u = 192 - 148
11 u = 44
1 u = 44 ÷ 11 = 4
Amount that Hilda had at first
= 7 u
= 7 x 4
= $28
Answer(s): $28