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Mathematics 14 Online
OpenStudy (anonymous):

In a local grade school, the ratio of boys to girls is 5: 7. There are 595 girls. How many boys are there?

OpenStudy (anonymous):

no of boys = 7*595/5=833

OpenStudy (katrinakaif):

Set up a proprotion: 5 x - = --- 7 595 Cross multiply: 7x = 595(5) x = 595(5)/7 and solve.

OpenStudy (anonymous):

Follow Katrina's steps. U will get answer as : 85 * 5 = 425

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