Vinay bought a cake and cut it into three pieces. When he weighed the first piece he found that it was 7g lighter than the second piece and 4g heavier than the third piece. If the whole cake weighed 300g How much did each of the three pieces weigh? ( hint : weight of first piece be 'x' then weight of second piece is X+7 , weight of third piece is x-4 )
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Answer:
x+x+7+x-4=300
3x+3=300
3(x+1)=300
x+1=100
x=99
So therefore
First piece wt. is=x=99g
Second piece wt.is=x+7=106g
Third piece wt.is=x-4=95g
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