This can be solved using a system of equations.

Subtract y from both sides.

Substitute:

Subtract 80 from both sides:

Divide both sides by 5:

Substitute.
825/3 = 275 which is how many miles she drove in January.
275*4= 1100 which is how many miles she drove in February.
Ms. Turner drove 1100 miles in February.
Of the 16 small intervals indicated from 0 to 1 inch, the ant spans 14 of them, so

How is 7/8 equal to 0.875?
Since 125(8)=1000 and 125(7)=875 we know
