Answer:
205
Step-by-step explanation:
Were gonna start by writing an equation (121+184+x)/3=170 because were adding a 3rd value to the average and x is going to be our value that were looking for. If you solve that, you get 205. Hope this helps.
Jt wldbd be 1200 since you are subtractjnh and addibg
Answer:

Step-by-step explanation:
Given



Required
Determine the total miles


Convert to improper fractions

Take LCM



Answer:
d 40 times 23=920
Step-by-step explanation:
if you did 60 times 15= 900
the highest is 920