a number n is multiplied by 3. The result is the same as when n is divided by 3. What is the value of n?
2 answers:
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Answer: 10 miles.
Step-by-step explanation:
Let m the number of miles that each dog is walked.
It is given that Beth does not charge a registration fee for her dog-walking service, but she charges $5 per mile that each dog is walked.
Amount charged by Beth = 5m
Tonya’s dog-walking service charges a registration fee of $20, plus $3 per mile that each dog is walked.
Amount charged by Tonya = 20+3m
We need to find the number of miles m for which Tonya and Beth would charge the same amount.
Divide both sides by 2.
Therefore, for 10 miles Tonya and Beth would charge the same amount.