Glen and Tom had $166 at first. Glen spent $72 while Tom spent $33 less than him. The amount Tom had left was
47 of the amount Glen had left. How much did Glen have at first?
| |
Glen |
Tom |
Total |
| Before |
4 u + 72 |
7 u + 39 |
166 |
| Change |
- 72 |
- 39 |
|
| After |
4 u |
7 u |
|
Amount that Tom had spent
= 72 - 33
= $39
Total amount that Glen and Tom had at first
= 4 u + 72 + 7 u + 39
= 11 u + 111
11 u + 111 = 166
11 u = 166 - 111
11 u = 55
1 u = 55 ÷ 11 = 5
Amount that Glen had at first
= 7 u + 72
= 7 x 5 + 72
= 35 + 72
= $107
Answer(s): $107
