Chang works as a tutor for $11 an hour and as a waiter for $13 an hour. This month, he worked a combined total of 90 hours at hi
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Answer:
Step-by-step explanation:
It is given that,
Distance covered,
Time taken,
We need to find the rate in miles per hour. It can be calculated by dividing distance covered and time taken as follows :
Hence, Dev jogs at the rate of .