Dylan had
38 as many marbles as Lucy. After Dylan gave away 31 marbles, he had 96 less marbles than Lucy. How many marbles did Lucy have?
|
Dylan |
Lucy |
Before |
3 u |
8 u |
Change |
- 31 |
|
After |
3 u - 31 |
8 u |
Lucy had 96 more marbles than Dylan in the end. So, if Dylan had another 96 marbles, he would have the same number of marbles as Lucy.
8 u = 3 u - 31 + 96
8 u - 3 u = 96 - 31
5 u = 65
1 u = 65 ÷ 5 = 13
Number of marbles that Lucy had at first
= 8 u
= 8 x 13
= 104
Answer: 104