The number for which 25% is 1 a lb, will be 4a lb.
The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Given information;
The number for which 25% is 1 a lb,
25% = 1/4 =
then
100% would be
1 x 4 = 4a lb
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