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Question

Ailing, Bala, Cindy and Dan shared the cost of a present equally. Bala did not bring enough money and only managed to pay for half of his share. Only Ailing and Cindy helped pay for the rest of Bala’s share . The ratio of the amount of money Ailing paid to the amount of money Cindy paid was 3 : 4. the next day, Bala returned $24 to Cindy, how much did the present cost?

 

Hi hi can help me with this question. Thks 

Answer

3 + 4 = 7
7 x 2 = 14 (each equal share)
cost of present ——- 14 x 4 = 56 units
56 – 14 – 7 = 35 (paid by Ailing and Cindy)
35/(3 + 4) = 5
5 x 4 – 14 = 6
6 units = 24
1 unit = 4
56 units = 224

Ans : $224.

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This is a Part Whole question. 

2.5u : 1.5u

5u : 3u (× 2)

35u : 21u (×7)

   Ailing Cindy  Bala   Dan total 
Actual 14u 14u 14u 14u  56u
Paid 20u 15u 7u 14u 56u
           

1u = 24

56u = 24 × 56 = $1344

 

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