Answer:
the 1 one
Step-by-step explanation:
113.4=x(18)
x=6.3
It says the product of a number, x, and 18 is 113.4. Since it says product there will be multiplication. The word "is" tells us that x and 18 equals 113.4. Is x= 6.3, 6.3 times 18 equals 113.4. This is a true equation.
The gcf is 3 because that is thier greatest common factor that isn't 1
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+1/5
I'm not sure but the last one I think is wroght