Wesley had
710 as many erasers as Jen. After Wesley bought another 4 erasers, he had 11 less erasers than Jen. How many erasers did Wesley have at first?
| |
Wesley |
Jen |
| Before |
7 u |
10 u |
| Change |
+ 4 |
|
| After |
7 u + 4 |
10 u |
Jen had 11 more erasers than Wesley in the end. So, if Wesley had another 11 erasers, he would have the same number of erasers as Jen.
10 u = 7 u + 4 + 11
10 u - 7 u = 4 + 11
3 u = 15
1 u = 15 ÷ 3 = 5
Number of erasers that Wesley had at first
= 7 u
= 7 x 5
= 35
Answer: 35
