In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is Rs. 70, then how many total coins are there?
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Answer:
x=10
Step-by-step explanation:
let 5 ruppe coin =5x and 2 ruppe coin =2x
5x+2x=70
7x=70
x=70/7=10
x=10
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