Answer:
7.8
Step-by-step explanation:
First I will try 50. I got 127,550, so that was way too big.
Let me try a smaller number. How about 5. I got 155, so that was a bit too small.
Now I'll try 20. I got 8420. Looks like the number is between 5 and 20.
How about 7. I got 399.
Let me try 8. I got 584! That's really close. It's just a little too big.
I tried 7.5, and got 485.624. So close! Just a little higher.
Putting in 7.8 yields <u>543.192!</u> That's our answer.
Answer:


Step By Step Explanation:
Apply Fraction Cross Multiply: If 




Subtract 4 From Both Sides

Simplify

Subtract 2x From Both Sides

Simplify

Divide Both Sides By 8

Simplify

Turn Fraction Into Decimal


Regards,
Mordancy
B because x is the independent variable; you could choose any number for x
Answer:
variables i believe would be the answer
Step-by-step explanation: