You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
$8 per pound
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
102 words per minute
An eighth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than grading 36 homework assignments in 30 minutes?
Faster
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