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there are 50p and 25p coins in a bag . if the total no of coins is 30 & total value is rs11 , find the no of coins of each kind

there are 50p and 25p coins in a bag . if the total no of coins is 30 & total value is rs11 ,  find the no of coins of each kind
 

Grade:7

1 Answers

prerana2801@gmail.com
11 Points
5 years ago
Let x be the number of 50p coins 
Let y be the number of 25p coins 
Given that, x+y=30 note that 1rs=100p
(0.5rs)x+(0.25rs)y=11 50p=0.5rs
by solving both the equations we get,
x=14, y=16

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