Question

if the cost price of 10 greeting cards is equal to the selling price of 8 greeting cards. find the gain or loss percent

step by step instructions have to do.

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Answer 1

Answer:

25 %

Step-by-step explanation:

let cost price of 10 greeting card be x

cost price of 1 greeting card is x/10

selling price of 8 greeting card is x

selling price of 1 greeting card is x/8

take lcm

x/8 & x/10

5x/40 & 4x/40

Profit= 5x/40 - 4x/40

= x/40

profit% =(x/40)/(4x/40) *100;

= 25%

alternative method

Let CP of 10 greeting card be 1000

CP of 1 greeting card is 100

SP of 8 greeting card is 1000

SP of 1 greeting card is 125

Profit is 125-100= 25

profit% 25/100*100= 25%

Answer 2

Answer:

20 percent is the answer