Question

The cost price of 13 chairs is the same as the selling
price of 18 chairs. Find the gain or loss per cent.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

C.P of 13 chairs = S.P of 18 chairs

⟹ 13 C.P = 18 S.P

$s.p = \frac{13c.p}{18}$

$⟹ \frac{s.p}{c.p} = \frac{13}{18}$

$⟹s.p = < c.p$

so, there will be loss

$loss\% = \frac{c.p - s.p}{c.p} \times 100$

$⟹ 1 - \frac{s.p}{c.p} \times 100$

$⟹1 - \frac{13}{18} \times 100$

$⟹ \frac{18 - 13}{18} \times 100$

$⟹ \frac{5}{18} \times 100$

$⟹27.78\%$

the loss percent is 27.78%