a shopkeeper bought locks at the rate of 8 locks for rs 34 and sold them at the rate of 12 locks for rs 57. calculate his gain per cent and the number of locks he should sell to earn a net profit of rs 45
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Solution :
8 locks for rs 34
so
1 lock = rs 4.25
sold at
12 locks for 57
so 1 lock = 4.75
profit% = (0.5/4.25)×100 = 11.76% profit
let x be no of locks he sold
sp(x) = cp(x) + 45
0.25x = 45
x = 180
hope that helps
please mark my answer as brainliest
8 locks for rs 34
so
1 lock = rs 4.25
sold at
12 locks for 57
so 1 lock = 4.75
profit% = (0.5/4.25)×100 = 11.76% profit
let x be no of locks he sold
sp(x) = cp(x) + 45
0.25x = 45
x = 180
hope that helps
please mark my answer as brainliest
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