Question

if the cost price of 10 chairs be equal to selling price of 16 chairs ,find the gain or loss percent
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Answer 1

Answer:

if cost price of 1 chair = x

cost price of 10chairs = 10x

let selling price of chair =y

according to question,

10x=16y

5x=8y

x=(8/5)y

x=1.6(y)

x=16/100(y)

so...its a gain

gain percentage is 16%

keep smiling......

Answer 2

Answer:

10x=16y

divide by 2 on both sides

5x=8y

x=(8/5)y

cp=8/5,sp=y

cp-sp/cp*100

8/5-y/8/5*100

37.5%

or

10-16=6

loss /cp*100

6/16*100

37.5%