Question

A book is 6 inches wide and 9 inches tall. A publisher wants to use a scale factor of 1.5 to enlarge a book. What will the area of the front of the book be after the book is enlarged? 54 in2 81 in2 121.5 in2 78.75 in2

Answer 1

6 inches enlarged by 1.5 = 9 inches

9 inches enlarged by 1.5 = 13.5 inches

area = 9 × 13.5

= 121.5 square inches

Answer 2

6 inches enlarged by 1.5 = 9 inches
9 inches enlarged by 1.5 = 13.5 inches

area = 9 × 13.5
= 121.5 square inches