plzz solve que 25 I have boards
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We re given, SP = 56
and, CP = x
so Profit = 56-x
Profit % = (56-x)100/x
x^2 = (56-x)100
x^2 + 100x - 5600 = 0
x^2 + 140x - 40x - 5600 =0
so, x(x+140) -40(x+140)
so, x = 40,-140
so, CP = Rs . 40 [money can't be negative]
and, CP = x
so Profit = 56-x
Profit % = (56-x)100/x
x^2 = (56-x)100
x^2 + 100x - 5600 = 0
x^2 + 140x - 40x - 5600 =0
so, x(x+140) -40(x+140)
so, x = 40,-140
so, CP = Rs . 40 [money can't be negative]
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