SOLUTION: a plane travels 70 feet in 1/10 second. At this same speed, how many feet will it travel in 3 1/2 seconds?

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Question 714547: a plane travels 70 feet in 1/10 second. At this same speed, how many feet will it travel in 3 1/2 seconds?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
70/.1=x/3.5 cross multiply.
.1x=3.5*70
.1x=245
x=245/.1
x=2,450 feet. ans.