Aimei, Bala and Carl won some money in a lucky draw. The amount of money won by Aimei, Bala and Carl was in the ratio 8: 5: 4. They saved some of the money and spent the rest. Aimei saved $480, Bala saved $540 and Carl saved $120. The amount of money spent by Aimei, Bala and Carl was in the ratio 8 : 3 : 5. (a) Find the ratio of the amount of money saved by Aimei to Bala to Carl. (b) How much money did Aimei win? [4 marks][Answer given: 8:9:2, $1440]
A B C
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8 : 5 : 4
- 8 : - 3 : - 5
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$480 $540 $120
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480 : 540 : 120 = 8 : 9 : 2
a) It was 8 : 9 : 2.
8 u - 8 p --> $480
9 u - 8 p --> 540 + 120 = $660
1 u --> 660 - 480 = $180
8 u --> 8 x 180 = $1440
b) She won $1440.
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