You are looking for a speed in miles per hour, so start by converting 90 minutes into hours.
90/60 = 1.5
90 minutes = 1.5 hours
speed = distance/time = (105 miles)/(1.5 hours) = 70 mph
since she already has 18 cups flour she needs 6 cups of sugar
<span>A + c + 2b = a + 2b + c
Commutative property
hope that helps</span>
I believe it is going to be 60
