Answer:
B
Step-by-step explanation:
Because
=4.5Y+15
We move all terms to the left:
-(4.5Y+15)=0
We get rid of parentheses
-4.5Y-15=0
We move all terms containing Y to the left, all other terms to the right
-4.5Y=15
Y=15/-4.5
Y=-3+1/3
I believe the answer would be 28
The answer is D. 18.5
How? Because you have the numbers in order and cross the out it leaves you with 17, and 20 and the number between can be 19 or 18.5.
Hope I helped
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