Kelly enlarged the area of a photograph to 250% of its original size. The original dimensions of the photograph were 5 inches by 7 inches. What is the area of the enlarged photograph, in square inches?

The correct answer is: 87.5

Step by step explanation:
Given:
Original dimension of photograph = 5 inch × 7 inch
Kelly enlarged the area of a photograph to 250% of its original size.
Step 1:
Find the area of photograph
Photograph is in the form of a rectangle,
So, the area of the photograph = length × breadth

⇒ 35 sq. inches
Step 2:
Find 250% of 35:


∴ 87.5 sq. inches
Hence, enlarged area of the photograph will 87.5 square inches.