A room is measured 2a metres long and 3b metres wide. Find the difference between its length and width in metres.

72 is the answer to this problem

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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i can't solve unless i know what the line is

step-by-step explanation:

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