Question 370343: Dipa has 7 more Rs.2 coins than 50 paisa coins. If the value of all the coins is Rs 76.50, find the number of each type of coins. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! Dipa has 7 more Rs.2 coins than 50 paisa coins. If the value of all the coins is Rs 76.50, find the number of each type of coins.
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let 50 paise coins she has be x
Rs.2 coins will be x+7
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50 paise = Rs. 0.5
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Value Equation
0.5x+2(x+7)=76.50
0.5x+2x+14 = 76.50
2.50x=76.50-14
2.50x=62.50
divide by 2.50
x=62.50/2.50
x= 25 coins of 50 paise
25+7 = 32 coins of Rs.2
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CHECK
32*2+25*0.5=76.5
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m.ananth@hotmail.ca
