Question

36.  

Mary cut a rectangle that is 10 centimeters long and 7 centimeters wide out of construction paper. She cut out a second rectangle that was also 10 centimeters long, but twice as wide as the first rectangle. How many times the area of the first rectangle is the area of the second rectangle?

 (1 point)
• 2
• 4
• 3
• 6

Answer 1

Area 1st rectangle = 10 * 7 = 70 cm^2
length of 2nd rectangle is 2*7 = 14 cm

Area 2nd = 10 * 14 = 140 cm^2

140/70 = 2

The 2nd triangle was twice as big as the 1st. Answer A