Answer:
if justin races his fird 3,600meters in 60seconds, his average speed is 60 feet per second
C is the correct answer!!
60mins in 1 hour
80mi per 10min=xmi per 60min
ration and porportion
80mi/10min=xmi/60min
times both sides by 60min
480mi=xmi
answer is 480miles per hour
<h3>
Answer:</h3>
That would be -6.
<h3>
Step-by-Step Thingy:</h3>
Adding a negative number is basically just subtracting a number, using that...
-4+(-2) ---> -4-2
Now all that's needed is to minus 2 from -4.
-4-2 ---> -6
Hope that helps, :)