Question

PLEASE HELP ME!!!!!
The perimeter of a rectangle is 68 ft. The ratio of its length to its width is 9 : 8. What are the dimensions of the rectangle?

A.
24 ft by 10 ft

B.
20 ft by 14 ft

C.
22 ft by 12 ft

D.
18 ft by 16 ft

Answer 1

C

Answer 2

You need an explanation to why it is C.

Answer 3

let l be 9x and w be 8x
for easy referrence

Answer 4

Thank you!!

Answer 5

The only one that maintains the ratio of 9:8.

Twice 9 is 18.

Twice 8 is 16.

Get it?

Answer 6

its D.

Answer 7

yeah thanks a million

Answer 8

No problem.

Answer 9

can you help with one more

Answer 10

yeah

Answer 11

Sure.

Answer 12

What is the ratio of x to y?
3x = 8y


A.
1/3

B.
1/8

C.
8/3

D.
3/8

Answer 13

the answer is C

Answer 14

thanks!

Answer 15

NY MORE QUESTION?

Answer 16

I believe that "find the ratio of x to y" literally means solving for (x/y).

Starting with FutureMathProfessor's result, x = 8/3y, simply divide both sides of the equation by y:

x=(8/3)y

becomes
xy=83.

Answer 17

no thats it