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A 4lb. bag of salt water taffy from the beach costs $15.12. What is the unit rate?

A.$15.12/lb
B.$3.78/lb
C.$3.79/lb
D.$3.77/lb​


Sagot :

So a unit means 1. So for this problem you wanna take the number of pounds and multiply it by the number of pounds they got(4lb). Answere is B. 3.78*4=$15.12