comparing ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you simplify a ratio?

Back

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

Front

What does it mean for one ratio to be greater than another?

Back

One ratio is greater than another if its value is larger when both ratios are expressed as fractions.

Front

How can you compare two ratios?

Back

You can compare two ratios by converting them to fractions and finding a common denominator or by cross-multiplying.

Front

What is the ratio of 8 pens to 9 pencils expressed in simplest form?

Back

The ratio of 8 pens to 9 pencils is already in simplest form: 8:9.

Front

If Lin types 192 words in 6 minutes, how many words does she type per minute?

Back

Lin types 32 words per minute (192 words ÷ 6 minutes).

Front

If Holly types 112 words in 4 minutes, how many words does she type per minute?

Back

Holly types 28 words per minute (112 words ÷ 4 minutes).

Front

What is the relationship between Lin's and Holly's typing speeds?

Back

Lin can type 4 more words per minute than Holly (32 - 28 = 4).

Front

What is the decimal equivalent of the ratio 15/24?

Back

The decimal equivalent of the ratio 15/24 is 0.625.

Front

How do you determine if a ratio is less than another?

Back

To determine if a ratio is less than another, convert both ratios to decimal form or compare their cross-products.