a person purchased two bags at the same price and on selling the first bag he makes a profit of 10%. Selling price of the second bag is 90 rs more than the selling price of the first bag.Find the cost price of one bag if his overall profit is 13%
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Answer:
433.33333333333
Step-by-step explanation:
C.P = x
gain% = 10%
S.P = 100 + gain% ÷ 100 × C.P
S.P = 100 + 10 ÷ 100 × x
S.P = 110x ÷ 100
S.P = S.P + 13 = 10x + 13 ÷100
S.P = 110x + 1300 ÷ 100
gain% = 13%
S.P = 100 + 13 ÷ 100 × x
S.P = 113x ÷ 100
113x ÷100 = 110x + 1300 ÷ 100
100 get cancelled
113x - 110x = 1300
3x = 1300
x = 1300 ÷ 3
x = 433.33333333333
S.P = 433.33333333333
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