45 Julie's money was equal to
23 of Abi's money at first. After Julie spent $1.90 and Abi spent $1.20, Julie had
23 as much money as Abi.
- How much did Abi have at first? Express your answer in 2 decimal places.
- How much did Julie have in the end? Express your answer in 2 decimal places.
|
Make p the same (3)x3 |
Julie (1) |
Abi (2) |
Make p the same (4)x2 |
Before |
15 u |
5 u |
6 u |
12 u |
Change |
- 5.7 |
- 1.9 |
- 1.2 |
- 2.4 |
After |
6 p |
2 p |
3p |
6 p |
45 Julie's money =
23 Abi's money
45 Julie's money =
46 Abi's money
Julie's money : Abi's money = 5 : 6
(3) = (4)
15 u - 5.7 = 12 u - 2.4
15 u - 12 u = 5.7 - 2.4
3 u = 3.3
1 u = 1.1
Amount Abi has at first
= 6 u
= 6 x 1.1
= 6.6 (a)
Amount Julie has in the end
= 5 u - 1.9
= (5 x 1.1) - 1.9
= 3.6 (b)
Answers: (a) $6.60; (b) $3.60