Ruth spent 12 minutes on the phone while routing 4 phone calls. In all, how many phone calls does Ruth have to route to spend a
total of 18 minutes on the phone? Solve using unit rates.
1 answer:
Answer:
6 calls
pls mark brainliest if possible
Step-by-step explanation:
12 min/4 phone calls
unit rate: 3 min per phone call
c=#of calls
3c = 18
c=6
6 calls
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