Yesterday, Valen had 45 more coins than Michael. Today, Valen gave Michael
47 of his coins. As a result, he has half as many coins as Michael now. How many coins did Valen have yesterday?
|
Valen |
Michael |
More |
Before |
7 u |
2 u |
5 u |
Change |
- 4 u |
+ 4 u |
|
After |
3 u |
6 u |
|
Comparing Valen and Michael in the end |
1
|
2
|
|
Number of coins that Michael has now
= 2 x 3 u
= 6 u
Number of coins that Valen had more than Michael yesterday
= 7 u - 2 u
= 5 u
5 u = 45
1 u = 45 ÷ 5 = 9
Number of coins that Valen had yesterday
= 7 u
= 7 x 9
= 63
Answer(s): 63