Tim had 112 marbles more than John at first. After Tim had given away 163 of his marbles to Albert, John had four times as many marbles as Tim. Find the number of marbles Tim had at first.
| |
Tim |
John |
Comparing between
Tim and John |
112 more |
|
| Before |
1 u + 163 |
4 u |
| Change |
- 163 |
|
| After |
1 u |
4 u |
Tim had 112 marbles more than John at first.
If 112 more marbles is given to John at first, both will have the same number of marbles.
4 u + 112 = 1 u + 163
4 u - 1 u = 163 - 112
3 u = 51
1 u = 51 ÷ 3 = 17
Number of marbles that Tim has at first
= 1 u + 163
= 17 + 163
= 180
Answer(s): 180
