6.1 Ratios And Rates Worksheet - Professor Busken Page 2
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2Professor Busken – 6.1 Ratios and Rates
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Write the rate as a fraction in simplest form.
8.
$1350 for 6 weeks
8.
Definition 3. A unit rate is a rate that has a denominator of 1.
For instance, 65 miles per hour is a unit rate.
65 miles
1hour
Writing a Rate as a Unit Rate
To write a rate as a unit rate, we simply divide the numerator of the rate by the denom-
inator.
Write each rate as a unit rate.
9.
480 calories in 8 ounces
9.
10.
520 miles in 8 hours
10.
Definition 4. When a unit rate is ”money per item,” it is also called a unit price.
price
unit price =
number of units
For example, suppose a store charges $2.76 for a 12-ounce jar of pickles. What is the
unit price?
$2.76
$0.23
unit price =
=
12 ounces
1 ounces
So, the store charges $0.23 per ounce.
Find each unit price and decide which is a better buy.
11.
Treated lumber: $3.79 for an 8-foot board or $6.18 for a 12-foot board.
11.
12.
50 aspirin tablets for $3.79 or 100 aspirin tablets for $5.85.
12.
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