Q4. "there are 10 paise and 25 paise coins in a purse. if there are 60 coins in the purse and total value of the coins is rs. 8.25". form a pair of linear equations and represent them graphically.
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x+y=60
10x+25y=825
x=45
y=15
10x+25y=825
x=45
y=15
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