Reggie has
511 as many erasers as Albert. They have a total of 288 erasers. How many erasers must Albert give to Reggie so that they will have the same number of erasers?
|
Reggie |
Albert |
Total |
Before |
5 u |
11 u |
16 u |
Change |
+ ? |
- ? |
|
After |
144 |
144 |
288 |
Total number of erasers
= 5 u + 11 u
= 16 u
16 u = 288
1 u = 288 ÷ 16 = 18
Number of erasers that each of them has in the end
= 288 ÷ 2
= 144
Number of erasers that Reggie has
= 5 u
= 5 x 18
= 90
Number of erasers that Albert must give Reggie
= 144 - 90
= 54
Answer(s): 54