Japheth and Ahmad had a total of $163. Japheth gave $18 to Ahmad. In return, Ahmad gave $29 to Japheth. In the end, Japheth had $21 more than Ahmad. How much money did Japheth have at first?
| |
Japheth |
Ahmad |
Total |
| Before |
? |
|
$163 |
| Change 1 |
- $18 |
+ $18 |
|
| Change 2 |
+ $29 |
- $29 |
|
| After |
1 u + $21 |
1 u |
$163 |
Total amount that Japheth and Ahmad had
= 1 u + 1 u + $21
= 2 u + 21
2 u + 21 = 163
2 u = 163 - 21
2 u = 142
1 u = 142 ÷ 2 = 71
Amount that Japheth had in the end
= 1 u + 21
= 71 + 21
= $92
Amount that Japheth had at first
= 92 - 29 + 18
= $81
Answer(s): $81
