How to solve a simple proportion
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MSNBrian McLogan
How to solve a simple proportion
Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we usually cross-multiply the two ratios and then solve for the unknown using the applicable operations. Organized ...
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RATIO and PROPORTION WORD PROBLEMS 1.) The ratio of pens and pencils in a shop is 3:2 respectively. If the average number of pens and pencils is 180, how many pencils are there in a shop? A. 128 pencils B. 136 pencils C. 144 pencils D. 150 pencils E. 156 pencils 2.) A group of social work form with 64 boys and 40 girls. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now if the ratio of boys to girls is 4:3? A. 168 members B
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