Reggie has
37 as many erasers as Zeph. They have a total of 290 erasers. How many erasers must Zeph give to Reggie so that they will have the same number of erasers?
|
Reggie |
Zeph |
Total |
Before |
3 u |
7 u |
10 u |
Change |
+ ? |
- ? |
|
After |
145 |
145 |
290 |
Total number of erasers
= 3 u + 7 u
= 10 u
10 u = 290
1 u = 290 ÷ 10 = 29
Number of erasers that each of them has in the end
= 290 ÷ 2
= 145
Number of erasers that Reggie has
= 3 u
= 3 x 29
= 87
Number of erasers that Zeph must give Reggie
= 145 - 87
= 58
Answer(s): 58