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Learn to find and use unit rates in real-world situations
Learn step-by-step with practice exercises built right in.
A rate is a ratio that compares two different units.
Examples:
A unit rate is a rate where the second quantity is 1 unit.
Examples:
Divide the first quantity by the second quantity:
A car travels 150 miles in 3 hours. What is the unit rate (speed)?
Solution:
Divide distance by time:
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Example: \12$ for 4 pounds
Unit rates help us:
Answer: 50 miles per hour (or 50 mph)
Store A sells 6 apples for \4.50$5.60$. Which store has the better price per apple?
Solution:
Store A:
Store B:
Jamie can type 240 words in 6 minutes. At this rate, how many words can Jamie type in 25 minutes?
Solution:
Step 1: Find the unit rate
Step 2: Multiply by 25 minutes
Answer: Jamie can type 1,000 words in 25 minutes
Compare: \0.70 < $0.75$
Answer: Store B has the better price (\0.70$ per apple)