Answer:

Step-by-step explanation:
Find the LCM of the denominators and then solve:


Divide 171 by 3. then you have a unit rate of 57 miles per hour.
Answer:
-11.25
Step-by-step explanation:
First you would find out how many words he types in 1 minute. Your answer for that is 51 words per minute. Now multiply that by 10 and that your answer. Your answer is 510 words in 10 minutes.