Irene had an equal number of tomatoes and guavas at first. She sold one-quarter of the guavas and bought another 77 tomatoes. In the end, she had five times as many tomatoes as guavas. Find the number of guavas she had at first.
|
Guavas |
Tomatoes |
Before |
4 u |
15 u - 77 |
Change |
- 1 u |
+ 77 |
After |
3 u |
15 u |
The number of tomatoes and guavas at first is the same.
15 u - 77 = 4 u
15 u - 4 u = 77
11 u = 77
1 u = 77 ÷ 11 = 7
Number of guavas that she had at first
= 4 u
= 4 x 7
= 28
Answer(s): 28