SOLUTION: Is C the correct answers? I'm checking my answers. Mike recently increased the size of his truck tires from 26.16 inches to 28.95 inches. If mike didn't re-calibrate his speedom

Algebra ->  Sequences-and-series -> SOLUTION: Is C the correct answers? I'm checking my answers. Mike recently increased the size of his truck tires from 26.16 inches to 28.95 inches. If mike didn't re-calibrate his speedom      Log On


   

Question 1160548: Is C the correct answers? I'm checking my answers.
Mike recently increased the size of his truck tires from 26.16 inches to 28.95 inches. If mike didn't re-calibrate his speedometer, how fast is he really going on the new tires when his speedometer shows he is traveling 60 mph?
A. 54.2 mph
B. 63.8 mph
C. 66.4 mph
D. 69.7 mph
The image and the question itself are provided in the link here: https://i.imgur.com/f5q1gvs.png
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Set up proportion
26.16%2F+28.95=60%2Fs
26.16s+=60%2A28.95
26.16s+=1737
s+=1737%2F26.16
s+=66.3991
Round your answer to one decimal place
s+=66.4mph

so, C. 66.4mph is correct