To get to school from her house, Donita walks at a rate of 3 mph north along Troy Ave for 15 minutes. Then she walks at a rate of 3.75 mph east along Mesa St for 20 minutes. If she walks directly from her house to school, how fast must she walk to arrive there in the same amount of time? Fill in the blanks, rounding answers to the nearest tenth. Donita walks
A miles north.
Then she walks
B miles east.
The school is
C miles from her house.
She would need to walk at a rate of
D mph directly from her house to school to arrive in 35 minutes