Dylan had
35 as many pens as Jean. After Dylan gave away 45 pens, he had 73 less pens than Jean. How many pens did Jean have?
| |
Dylan |
Jean |
| Before |
3 u |
5 u |
| Change |
- 45 |
|
| After |
3 u - 45 |
5 u |
Jean had 73 more pens than Dylan in the end. So, if Dylan had another 73 pens, he would have the same number of pens as Jean.
5 u = 3 u - 45 + 73
5 u - 3 u = 73 - 45
2 u = 28
1 u = 28 ÷ 2 = 14
Number of pens that Jean had at first
= 5 u
= 5 x 14
= 70
Answer: 70
