Respuesta :

download a app called Photo Math it really helps. you just take a picture of your math problem and it gives you the answer and if you need to show your work it will show it for you :)))
mreijepatmat
7) D, since 12/27 = 20/45 & after simplification both = 4/9

8) B

9) I believe the first is an "a", if so, one should know that dividing 2 fractions

(example a/b divided by c/d) means you have to MULTIPLY the 1st one by the inverse of the second (a/b x d/c)

In our case :

a= (5/8) x [3/5 divided by 2/3]===> (5/8) x [3/5 x 3/2]=====>

(5/8) x (3/5) x (3/2) ====>9/16 after simplification.


Hope it's clear

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