Perry had
710 as many stamps as Hazel. After Perry gave away 17 stamps, he had 74 less stamps than Hazel. How many stamps did Hazel have?
|
Perry |
Hazel |
Before |
7 u |
10 u |
Change |
- 17 |
|
After |
7 u - 17 |
10 u |
Hazel had 74 more stamps than Perry in the end. So, if Perry had another 74 stamps, he would have the same number of stamps as Hazel.
10 u = 7 u - 17 + 74
10 u - 7 u = 74 - 17
3 u = 57
1 u = 57 ÷ 3 = 19
Number of stamps that Hazel had at first
= 10 u
= 10 x 19
= 190
Answer: 190