Justin had 133 cards more than Reggie at first. After Justin had given away 145 of his cards to Henry, Reggie had thrice as many cards as Justin. Find the number of cards Justin had at first.
| |
Justin |
Reggie |
Comparing between
Justin and Reggie |
133 more |
|
| Before |
1 u + 145 |
3 u |
| Change |
- 145 |
|
| After |
1 u |
3 u |
Justin had 133 cards more than Reggie at first.
If 133 more marbles is given to Reggie at first, both will have the same number of marbles.
3 u + 133 = 1 u + 145
3 u - 1 u = 145 - 133
2 u = 12
1 u = 12 ÷ 2 = 6
Number of cards that Justin has at first
= 1 u + 145
= 6 + 145
= 151
Answer(s): 151
