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Alex, Bernard and Calvin shared the cost of a present. The ratio of the amount

paid by Alex to the total amount paid by Bernard and Calvin was 2:5. The ratio

of the amount paid by Bernard to the total amount paid by Alex and Calvin was 

1:2. Bernard paid $20 more than Alex. How much was the cost of the present?

 Oct 7, 2021
 #1
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Alex, Bernard, and Calvin shared the cost of a present. The ratio of the amount

paid by Alex to the total amount paid by Bernard and Calvin was 2:5. The ratio

of the amount paid by Bernard to the total amount paid by Alex and Calvin was 

1:2. Bernard paid $20 more than Alex. How much was the cost of the present?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Total cost of a present => x

 

Alex paid =>  2/5x

 

Bernard paid =>  x/2

 

(x/2) - (2/5x) = 20

 

x = 200          

 Oct 7, 2021

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