MorallyGray MorallyGray

07-02-2019
Mathematics

contestada

Am in dire need of help. Please help.

Am in dire need of help Please help class=

Respuesta :

Stumphannah1 Stumphannah1

07-02-2019

Answer:

ED = 8

Step-by-step explanation:

6:9::x+4:2x+4 This is a proportion.

Set it up as 6/9 = x+4/2x+4

cross multiply which will get you 9x +36 = 12x + 24

subtract on each side to get 12 = 3x

divide 3x to get x = 4

then put into equation. (4) + 4 = 8

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