The number of mangosteens is 4 times as many as the number of kiwis. After buying another 22 mangosteens and 97 kiwis, the number of mangosteens is the same as the number of kiwis. What is the number of mangosteens at first?
| |
Mangosteens |
Kiwis |
| Before |
4 u |
1 u |
| Change |
+ 22 |
+ 97 |
| After |
4 u + 22 |
1 u + 97 |
The number of mangosteens and kiwis is the same in the end.
4 u + 22 = 1 u + 97
4 u - 1 u = 97 - 22
3 u = 75
1 u = 75 ÷ 3 = 25
Number of mangosteens at first
= 4 u
= 4 x 25
= 100
Answer(s): 100
