this is as far as I get then I get stuck.

let x = jennys

x+x/2+3/4x=18

Where do I go from here

this is as far as I get then I get stuck.

let x = jennys

x+x/2+3/4x=18

Where do I go from here

Tutors, please sign in to answer this question.

Middletown, CT

Hi Tammy;

x+x/2+(3/4)x=18

Let's multiply everything by 4. We are selecting 4 because this number is easily divisible by either 2 or 4...

4(x+x/2+(3/4)x)=18(4)

4x+(4x)/2+(4)(3/4)x=18(4)

4x+2x+3x=72

9x=72

x=8 inches=Jenny's share

x/2=4 inches=Demi's share

(3/4)x=6 inches=Drew's share

8 + 4 + 6=18

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