Kimberly and Elyse had an equal number of lollipops. After Kimberly bought another 25 lollipops and Elyse bought another 7 lollipops, Kimberly had thrice as many lollipops as Elyse. Find the number of lollipops that each of them had at first.
| |
Kimberly |
Elyse |
| Before |
3 u - 25 |
1 u - 7 |
| Change |
+ 25 |
+ 7 |
| After |
3 u |
1 u |
The number of lollipops that Kimberly and Elyse had at first is the same.
3 u - 25 = 1 u - 7
3 u - 1 u = 25 - 7
2 u = 18
1 u = 18 ÷ 2 = 9
Number of lollipops that each had at first
= 9 - 7
= 2
Answer(s): 2
