<u>x = 9</u>
Step-by-step explanation:
mean = 5+7+7+x /4 = 7
19+x / 4 = 7
19+x = 28
x = 9
Answer:
D. 5/6
Step-by-step explanation:
There are 30 marbles
If you add the black, red, and green marbles together, you get 25
25/30 is equivalent to 5/6
Answer:
2x-1
Step-by-step explanation:
Just solve this way.
(2/3)x-(1/3)=(1/3)y.
Now find y in terms of x.
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