Equivalent Ratios and Comparing Ratios

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, the ratios 1:2 and 2:4 are equivalent.

Front

How do you compare two ratios?

Back

To compare two ratios, you can cross-multiply and see if the products are equal. If they are, the ratios are equivalent.

Front

What is the ratio of salt to water in John's mixture?

Back

The ratio of salt to water in John's mixture is 3:10.

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What is the ratio of salt to water in Mary's mixture?

Back

The ratio of salt to water in Mary's mixture is 5:12.

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How do you find the concentration of a solution?

Back

The concentration of a solution can be found by dividing the amount of solute by the total amount of solution and then multiplying by 100 to get a percentage.

Front

If 3 out of 4 vehicles are cars, what fraction represents the trucks?

Back

The fraction representing the trucks is 1 out of 4, or 1/4.

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What is the total number of vehicles if 90 vehicles came to the car wash?

Back

The total number of vehicles is 90.

Front

How many cars came to the car wash if 1 out of every 10 were trucks?

Back

If 1 out of every 10 were trucks, then 90 - 9 = 81 cars came to the car wash.

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What is the ratio of white vinegar to water in Brand A's solution?

Back

The ratio of white vinegar to water in Brand A's solution is 5:25, which simplifies to 1:5.

Front

What is the ratio of white vinegar to water in Brand B's solution?

Back

The ratio of white vinegar to water in Brand B's solution is 30:125, which simplifies to 6:25.