45 Eva's money was equal to
23 of Abi's money at first. After Eva spent $1.50 and Abi spent $0.60, Eva had
34 as much money as Abi.
- How much did Abi have at first? Express your answer in 2 decimal places.
- How much did Eva have in the end? Express your answer in 2 decimal places.
|
Make p the same (3)x4 |
Eva (1) |
Abi (2) |
Make p the same (4)x3 |
Before |
20 u |
5 u |
6 u |
18 u |
Change |
- 6 |
- 1.5 |
- 0.6 |
- 1.8 |
After |
12 p |
3 p |
4p |
12 p |
45 Eva's money =
23 Abi's money
45 Eva's money =
46 Abi's money
Eva's money : Abi's money = 5 : 6
(3) = (4)
20 u - 6 = 18 u - 1.8
20 u - 18 u = 6 - 1.8
2 u = 4.2
1 u = 2.1
Amount Abi has at first
= 6 u
= 6 x 2.1
= 12.6 (a)
Amount Eva has in the end
= 5 u - 1.5
= (5 x 2.1) - 1.5
= 9 (b)
Answers: (a) $12.60; (b) $9.00