Simplify the expression. 5(z+4)+5(2−z)
1 answer:
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We can set up a proportion since we know the ratio between the # of purple marbles and the # of green marbles.
A ratio is a way to compare two different values: for every 8 purple marbles there are 5 green marbles
<h2>
-14.9 = 
- 2.1 (Add 2.1 to both sides)
-12.8 = (Multiply both sides by 8)
-102.4 = x
~~~Hope this helps!~~~
-12.8 =
-102.4 = x
~~~Hope this helps!~~~