SOLUTION: A money box contains one-rupee and two-rupee coins in the ratio 5:6. If the total value of the coins in the money box is Rs. 85, find the number of two-rupee coins.

Question 806526: A money box contains one-rupee and two-rupee coins in the ratio 5:6. If the total value of the coins in the money box is Rs. 85, find the number of two-rupee coins.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
p + 2q = 85
p/q = 5/6
p = (5/6)q
(5/6)q + (12/6)q = 85
(17/6)q = 85
q = (6/17)85
q = 30
Answer:
number of two-rupee coins in box is 30
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