1/2 inch is equivalent to 4/8 inch.
So subtract 7/8 by 4/8 which equals to 3/8.
So the answer is D.
Based on the given conditions, formulate: 5/35
Simplify by dividing by dividing the numerator and denominator by 5: 1/7
Therefore the scale of the drawing is 1/7
Subtract 5 from both sides!!