Which equation would best help solve the following problem?

Adina has a rectangular garden that measures 9 m wide by 13 m long. She wants to increase the area to 192 m2 by increasing the width and length by the same amount. What will be the dimensions of the new garden?

A.
192 = (9)(13)

B.
192 = (9)(13 + x2)

C.
192 = (9 – x)(13 – x)

D.
192 = (9 + x)(13 + x)

Question

Which equation would best help solve the following problem?
 
Adina has a rectangular garden that measures 9 m wide by 13 m long. She wants to increase the area to 192 m2 by increasing the width and length by the same amount. What will be the dimensions of the new garden?
 
 
 A.
192 = (9)(13)
 
 
 B.
192 = (9)(13 + x2)
 
 C.
192 = (9 – x)(13 – x)
 
 D.
192 = (9 + x)(13 + x)