Ratio and Rate Problems Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or price per item.

Front

How do you find the total number of votes from a ratio?

Back

To find the total number of votes from a ratio, add the parts of the ratio together and then use that sum to find the total.

Front

If Hatim received 4 votes and the total votes were 15, what is the ratio of Hatim's votes to total votes?

Back

The ratio is 4/15.

Front

How do you calculate the number of items needed based on a ratio?

Back

Use the ratio to set up a proportion and solve for the unknown quantity.

Front

What is the ratio of pens to brushes if there are 32 pens and 40 brushes?

Back

The ratio is 32:40, which simplifies to 4:5.

Front

If Julia types 150 words in 5 minutes, how many words does she type in 1 minute?

Back

Julia types 30 words in 1 minute.

Front

What is the formula to find the unit rate?

Back

The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first term as the numerator and the second term as the denominator.