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Question 74
The ratio of the numbers of blue to red balls in a bag is constant. When there were 44 red balls, the number of blue balls was 36. If the number of blue balls is 54, how many red balls will be in the bag?
Solution
$$44\div 36$$ = $$X\div 54$$
$$44\times 54$$ = $$36X$$
X = 66
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