Mark M. answered 05/09/19
Mathematics Teacher - NCLB Highly Qualified
d = r • t
39 = 0.75r
52 = r
37 mph is the rate home.
How much time does it take to ravel the 39 miles?
Megan G.
asked 05/09/19Polya’s Four-Step procedure in order to communicate the quantitative evidence used to find the solution.
The question
On the way to the airport on December 8, 2011, my wife’s car hit a huge hole in a construction area, damaging the front right wheel. The temporary tire forced us to decrease our average speed by 15 miles per hour. If the 39-mile drive usually takes us 45 minutes, how much time should we have budgeted for the drive home from the airport?
Mark M. answered 05/09/19
Mathematics Teacher - NCLB Highly Qualified
d = r • t
39 = 0.75r
52 = r
37 mph is the rate home.
How much time does it take to ravel the 39 miles?
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