Math
posted by Anonymous on .
It is 3 miles from Sally's home to school. How many feet is that?

1 mile = 5,280 feet
Multiply. 
Is it 5280 x 6 = 31,680
or
Is it 5280 x 3 = 15,840? 
Why would you multiply by 6?
You're right to multiply by 3 to find that she lives 15,840 feet from school. 
Thanks Ms. Sue :)

You're welcome.