Solving Ratio/Proportion Problems - Practice #4

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

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In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number of cats.

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There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

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Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

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Mr. Dulin runs 5 miles in 42 minutes.  He plans to run in a 25 mile race.  Based on his current speed, about how long will it take him to complete the race?

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The ratio of males to females in a socceet league is 4 to 5. If there are 54 players in the league, how many would you expect to be males?

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The ratio of boys to girls in the 6th grade is 5 to 8. If there are if there are 24 more girls, how many boys will there be?

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The ratio of boys to girls at the science fair is 3 to 4. How many girls will there be if there are a total of 56 students at the fair?

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The ratio of 6th graders to 7th graders at a basketball game is 7:2.  If there are 15 fewer 7th graders at the game, how many 6th graders are there?

Mathematical Equivalence

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