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A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. How many girls are in a group that has 16 boys? Complete the ratio table to
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A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. How many girls are in a group that has 16 boys? Complete the ratio table to solve the problem.

Girls 81 9
Boys 72
16

User Jacob Pollack
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81 : 72 = x : 16 then 16 * 81 = 1 296 finally 1 296 / 72 = 18 so there are 18:16 girls and boys (18 girls)
User MwcsMac
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