Rael had
38 as many stamps as Jade. After Rael bought another 43 stamps, he had 12 less stamps than Jade. How many stamps did Rael have at first?
| |
Rael |
Jade |
| Before |
3 u |
8 u |
| Change |
+ 43 |
|
| After |
3 u + 43 |
8 u |
Jade had 12 more stamps than Rael in the end. So, if Rael had another 12 stamps, he would have the same number of stamps as Jade.
8 u = 3 u + 43 + 12
8 u - 3 u = 43 + 12
5 u = 55
1 u = 55 ÷ 5 = 11
Number of stamps that Rael had at first
= 3 u
= 3 x 11
= 33
Answer: 33
