whats the answer of question 9
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let no. of eraser sold be Rs x.
45 × 1 + (-2x/5) = -5
45 - 2x/5 = -5
50 = 2x/5
x = 125
45 × 1 + (-2x/5) = -5
45 - 2x/5 = -5
50 = 2x/5
x = 125
vineet86:
tell clearly
please
Profit in notebook - loss in eraser = loss in whole transaction
there was loss in eraser and whole transaction so we added - sign before them.
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