Vincent and Caden had the same number of stamps. Vincent gave away
57 of his stamps while Caden gave away
35 of his stamps. Given that Vincent gave away 12 stamps more than Caden, how many stamps did Vincent have at first?
| |
Vincent's stamps |
Caden's stamps |
| Before |
7x5 =
35 u |
5x7 =
35 u |
| Change |
- 5x5 =
- 25 u |
- 3x7 =
- 21 u |
| After |
2x5 =
10 u |
2x7 =
14 u |
The number of cards that Vincent and Caden each had at first is the same. Make the number of cards that Vincent and Caden each had at first the same. LCM of 7 and 5 is 35.
Number of stamps that Vincent gave away more than Caden
= 25 u - 21 u
= 4 u
4 u = 12
1 u = 12 ÷ 4 = 3
Number of stamps that Vincent had at first
= 35 u
= 35 x 3
= 105
Answer(s): 105
