Question

A postage box should weigh 1.0 pound. If there is a 5% error on the weight , what is the range of acceptable weight

Answer 1

According to question. Error is 5%

Therefore 5%=0.05

So 1+0.05=1.05 pound

And 1-0.05=0.95 pound

Range of acceptable weight is 0.95-1.05 pound