Billy and Ivan received a total of $1140. After Billy spent
78 of his money and Ivan spent
56 of his money, Ivan had 5 times as much money as Billy. How much money did Ivan have at first?
| |
Billy |
Ivan |
Total |
Before |
8 u |
6x5 =
30 u |
38 u |
Change |
- 7 u |
- 5x5 =
- 25 u |
|
After |
1 u |
1x5 =
5 u |
|
Comparing Billy
and Ivan in the end |
1 u |
5 u |
|
The amount that Ivan had in the end is the same. Make the amount that Ivan had in the end the same. LCM of 1 and 5 is 5.
Total amount that Ivan and Billy had at first
= 8 u + 30 u
= 38 u
38 u = 1140
1 u = 1140 ÷ 38 = 30
Amount that Ivan had at first
= 30 u
= 30 x 30
= $900
Answer(s): $900
