SOLUTION: Cindy ran from her house to school at an average speed of 6 miles per hour and returned along the same route at an average speed of 4 miles per hour. If the total time it took her
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Question 833468: Cindy ran from her house to school at an average speed of 6 miles per hour and returned along the same route at an average speed of 4 miles per hour. If the total time it took her to run to the school and back was one hour, how many minutes did it take her to run from her house to school?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
____________speed______________time_______________distance
Run_________6___________________?_________________d
Slower______4___________________?__________________d
R*T=D, T=D/R.
____________speed______________time_______________distance
Run_________6___________________d/6_________________d
Slower______4___________________d/4__________________d
Total time was 1 hour.
____________speed______________time_______________distance
Run_________6___________________d/6_________________d
Slower______4___________________d/4__________________d
Total___________________________1
The data show the equation formable, ;
you can compute any value using the variable, d, once you solved for d.
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