Peter and Oscar have a total of 60 erasers. If Peter gives Oscar 27 erasers, Oscar will have 5 times as many erasers as him. Find
(a) Peter's erasers
(b) Oscar's erasers
|
Peter |
Oscar |
Total |
Before |
1 u + 27 |
5 u - 27 |
60 |
Change |
- 27 |
+ 27 |
|
After |
1 u |
5 u |
6 u |
(a)
Total number of erasers
= 1 u + 5 u
= 6 u
6 u = 60
1 u = 60 ÷ 6 = 10
Number of erasers that Peter has
= 1 u + 27
= 10 + 27
= 37
(b)
Number of erasers that Oscar has
= 60 - 37
= 23
Answer(s): (a) 37; (b) 23