Xylia had
35 as much money as Emily. Xylia had $36 less than Emily. Xylia spent some money to buy a birthday present for her buddy. In the end, she had
16 as much money as Emily. How much did Xylia spend on the birthday present?
|
Xylia |
Emily |
Before |
3 u |
5 u |
Change |
- ? |
|
After |
1 p |
6 p |
Amount that Xylia had less than Emily
= 5 u - 3 u
= 2 u
2 u = 36
1 u = 36 ÷ 2 = 18
Amount that Xylia had at first
= 3 u
= 3 x 18
= $54
Amount that Emily had
= 5 u
= 5 x 18
= $90
The amount that Emily had at first and in the end remains the same.
5 u = 6 p
6 p = 90
1 p = 90 ÷ 6 = 15
Amount that Xylia had in the end
= 1 p
= $15
Amount that Xylia spent on the birthday present
= 54 - 15
= $39
Answer(s): $39