Ben walks at a rate of 3 miles per hour. he runs at a rate of 6 miles per hour. in 1 week, the combined distance he walks and runs is 210 miles.
write a linear model that relates the # of hours ben runs.
ben runs for 25 hours. for how many hours does he run?

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.