Rob's Refrigerator Repair uses the equation y = 39.50x + 75 to calculate the total charge, y, in dollars, for x hours of work. W
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Since you are trying to figure out how many miles she can drive in 1 hour and you already have half of that hour, all you would need to do is double that number.
× 
= 
Now, all you would need to do is simplify the answer.
= 1 
or 1.6
The answer would be, Suzy can drive 1 or 1.6 miles in 1 hour.
I hope this helps!
Now, all you would need to do is simplify the answer.
The answer would be, Suzy can drive 1
I hope this helps!