Algebra word problems : Academic approach There is an 8 pound bag on the left plate of a scale

Math Aug 15, 2020

Algebra word problems : Academic approach

There is an 8 pound bag on the left plate of a scale. There is a 2 pound bag on the right plate. Peter has to balance the scale by adding 5 pound bags to the left plate and 7 pound bags to the right plate. Suppose that he must add the same number of bags to each side. How many bags must he add to each side in order to balance the scale?

Expert Solution

Let n be the number of bags,
8+5n=2+7n

6=2n
n=3

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