Jeremy had $207 and Sam had some money at first. After Jeremy spent $84 and Sam spent 30% of his money, they had a total of $221 left. How much money did Sam have at first?
| |
Jeremy |
Sam |
| Before |
$207 |
10 u |
| Change |
- $84 |
- 3 u |
| After |
$123 |
7 u |
30% =
30100 =
310 Amount that Jeremy had left
= 207 - 84
= $123
Total amount that Jeremy and Sam had left = 123 + 7 u
123 + 7 u = 221
7 u = 221 - 123
7 u = 98
1 u = 98 ÷ 7 = 14
Amount that Sam had at first
= 10 u
= 10 x 14
= $140
Answer(s): $140
