Zara had $110 more than Ivan. Zara spent
23 of her money and Ivan spent
37 of his money. In the end, Ivan and Zara had the same amount of money left. Find the amount of money Ivan had at first.
| |
Zara |
Ivan |
More |
Before |
3x4 =
12 u |
7 u |
5 u |
Change |
- 2x4 =
- 8 u |
- 3 u |
|
After |
1x4 =
4 u |
4 u |
|
Fraction of money that Zara left
= 1 -
23 =
13 Fraction of money that Ivan left
= 1 -
37 =
47 The amount of money that Ivan and Zara had in the end is the same. Make the amount of money that Ivan and Zara had in the end the same. LCM of 1 and 4 is 4.
Amount that Zara had more than Ivan at first
= 12 u - 7 u
= 5 u
5 u = 110
1 u = 110 ÷ 5 = 22
Amount that Ivan had at first
= 7 u
= 7 x 22
= $154
Answer(s): $154
