Well.. for the equation x= 3.5, let's take a look at its values

so.. notice.. no matter what "y" is, "x" will always be 3.5,
so is really just a horizontal line, thus, look at the picture below
The answer would be....(r + 3w) × ( r - 3t)
Answer:
b=1/12 or just 12
Step-by-step explanation:
combine like terms
1/3b +12=16
subtract 12 on both sides
1/3b=4
divided both sides with 1/3
b= 12 or 1/12
hope this helps.. :/
1/4=0.25 miles
5/0.25=20 laps
José has to run 20 laps to run 5 miles.