Question

NEED HELP WORTH 50 POINTS !!

Holly has a rectangular garden that measures 12 m wide by 14 m long. She wants to increase the area to 255 m2 by increasing the width and length by the same amount. What will be the width (shorter dimension) of the new garden?

A. 16m wide

B. 17m wide

C. 14m wide

D. 15m wide

Answer 1

D)

15x17=255

15=12+3 17=14+3

Answer 2

The area now is 12x14=168m^2
13x15=195m^2
14x16=224m^2
15x17=255m^2
The answer is D. 15m wide