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?
+1639 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?
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Total cost of a present => x
Alex paid => 2/5x
Bernard paid => x/2
(x/2) - (2/5x) = 20
x = 200
