Tommy had 114 marbles more than Cody at first. After Tommy had given away 166 of his marbles to Howard, Cody had thrice as many marbles as Tommy. Find the number of marbles Tommy had at first.
| |
Tommy |
Cody |
Comparing between
Tommy and Cody |
114 more |
|
| Before |
1 u + 166 |
3 u |
| Change |
- 166 |
|
| After |
1 u |
3 u |
Tommy had 114 marbles more than Cody at first.
If 114 more marbles is given to Cody at first, both will have the same number of marbles.
3 u + 114 = 1 u + 166
3 u - 1 u = 166 - 114
2 u = 52
1 u = 52 ÷ 2 = 26
Number of marbles that Tommy has at first
= 1 u + 166
= 26 + 166
= 192
Answer(s): 192
