Abi had $115 less than Rael. Abi spent
14 of her money and Rael spent
23 of his money. In the end, Rael and Abi had the same amount of money left. Find the amount of money Rael had at first.
|
Abi |
Rael |
Difference |
Before |
4x1 = 4 u |
3x3 = 9 u |
5 u |
Change |
- 1x1 = - 1 u |
- 2x3 = - 6 u |
|
After |
3x1 = 3 u |
1x3 = 3 u |
|
Fraction of Abi's money left
= 1 -
14 =
34 Fraction of Rael's money left
= 1 -
23 =
13Rael and Abi had the same amount of money in the end. Make the numerators the same. LCM of 3 and 1 is 3.
34 of Abi's money =
13 of Rael's money
34 of Abi's money =
39 of Rael's money
Amount that Abi had at first = 4 u
Amount that Rael had at first = 9 u
Amount that Abi had less than Rael had at first
= 9 u - 4 u
= 5 u
5 u = 115
1 u = 115 ÷ 5 = 23
Amount that Rael had at first
= 9 u
= 9 x 23
= $207
Answer(s): $207