Tommy had
49 as many marbles as Rachel. After Tommy gave away 7 marbles, he had 67 less marbles than Rachel. How many marbles did Rachel have?
| |
Tommy |
Rachel |
| Before |
4 u |
9 u |
| Change |
- 7 |
|
| After |
4 u - 7 |
9 u |
Rachel had 67 more marbles than Tommy in the end. So, if Tommy had another 67 marbles, he would have the same number of marbles as Rachel.
9 u = 4 u - 7 + 67
9 u - 4 u = 67 - 7
5 u = 60
1 u = 60 ÷ 5 = 12
Number of marbles that Rachel had at first
= 9 u
= 9 x 12
= 108
Answer: 108
