A man sells stationary items at 10% gain and some old books at 20% loss if he gets ₹4650 represent the situation as a linear equation in two variables
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Step-by-step explanation:
sp1=(1+0.10)cp1,
sp1 is selling price and cp1 is cost price, g1 is gain of stationary items
sp2=(1-0.20)cp2,
sp2 is selling price and cp2 is cp, g2 is gain of old books
g1+g2=4650
0.1cp1-0.2cp2=4650 where 2 variables are cp1 and cp2
hope this helps
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