An artist wants to reduce the size of a drawing using a scale factor of 3:1 . The original drawing has an area of 720 square inches. What is area of the new drawing? Enter your answer in the box. in²
Accepted Solution
A:
Ratio is 3:1 and the original area is 720. So 3/1 is equivalent to 720/x . X is the missing number. Set up like 3/1=720/x Cross multiply you get 3x=720 Solve for x which is 720/3 New area is 240 square inches