David rode his bike a total of 2 1/4 miles from his house to the store.
First he rode 3/4 mile from his house to his school.
Then he rode 1/4 mile from his school to the library.
Finally he rode from the library to the store.

How many miles did David ride between the library and the store?

1  1/4 miles

Step-by-step explanation:

3/4 + 1/4 = 1 mile

1 mile out of 2 1/4 mile

2 1/4- 1 = 1    1/4 miles

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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pretty sure 750 each month!

step-by-step explanation: