Question

write 5 pounds for $2.49 as a unit rate. round to the nearest hundreth

Answer 1

5 pounds = $2.49

1 pound = $2.49 ÷ 5 = $0.50 (nearest hundredth)

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Answer: $0.50/pound

Answer 2

We assume the unit rate of interest is dollars per pound. To find that, we divide the number of dollars by the number of pounds. ("Per" essentially means "divided by.")

$2.49/(5 lb) = (2.49/5) $/lb ≈ $0.50/lb

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pounds per dollar is also a unit rate. That one would be

... (5 lb)/($2.49) ≈ 2.01 lb/dollar