Kylie had $741 less than Zoe. Zoe spent
47 of her money and Kylie spent
23 of her money. In the end, Zoe had 4 times as much as Kylie. Find the amount of money Zoe had at first.
| |
Zoe |
Kylie |
Comparing Zoe
and Kylie at first |
$741 more |
|
| Before |
7x4 =
28 u |
3x3 =
9 u |
| Change |
- 4x4 =
- 16 u |
- 2x3 =
- 6 u |
| After |
3x4 =
12 u |
1x3 =
3 u |
Comparing Zoe
and Kylie in the end |
4x3 =
12 u |
1x3 =
3 u |
The amount that Zoe had in the end is repeated. Make the amount that Zoe had in the end the same. LCM of 4 and 3 is 12.
Amount that Kylie had less than Zoe
= 28 u - 9 u
= 19 u
19 u = 741
1 u = 741 ÷ 19 = 39
Amount that Zoe had at first
= 28 u
= 28 x 39
= $1092
Answer(s): $1092
