Math
posted by Pat .
This question was answered but not by finding a range?
If Jim and Mary jog 12 miles in a week. Is it reasonable that the jog 624 miles in a year. To solve problem need to estimate by finding a range.

Math 
MathMate
Approximate a year to 50 weeks, with 12 miles each week, it would be 600 miles a year. 624 is within 10% of 600 miles, so it is reasonable that they job 624 miles a year.
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