Hilda had $125 less than Abi. Abi spent 0.4 of her money and Hilda spent 10% of her money. In the end, Abi and Hilda had the same amount of money left. Find the amount of money that Abi had at first.
| |
Hilda |
Abi |
Comparing Abi
and Hilda at first |
|
125 more |
| Before |
10x1 =
10 u |
5x3 =
15 u |
| Change |
- 1x1 =
- 1 u |
- 2x3 =
- 6 u |
| After |
9x1 =
9 u |
3x3 =
9 u |
0.4 =
410 =
25 10% =
10100 =
110 Hilda and Abi had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 3 and 9 is 9.
Amount that Hilda had less than Abi at first
= 15 u - 10 u
= 5 u
5 u = 125
1 u = 125 ÷ 5 = 25
Amount that Abi had at first
= 15 u
= 15 x 25
= $375
Answer(s): $375
