Which of the following is the weight of the cargo in a truck if 2/3 of the cargo weighs 530 pounds (lb)?
795 lb
1030 lb
1590 lb
688 lb
Correct Answer : A
The truck carries a whole cargo which equals 1. If we let the weight of the cargo to be p, then we set up a proportion equation with weight as numerator and fraction of cargo as denominator.
Solve for value of p by cross products
Multiply both sides by 3/2 a reciprocal of 2/3
The truck carries a cargo weighing 795 lb.
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