Answer:
20
Step-by-step explanation:
the difference between them is ten laps
it will not change since they are equally fast
equation of line
x-2y=8
equation of line in slope intercept form
(y-y1)={(y2-y1)/(x2-x1)}(x-x1)
or,(y+3)={(-5+3)/(-2-2)}(x-2)
or,(y+3)=(1/2)(x-2)
or,2y+6=x-2
or,6+2 =x-2y
or,x-2y=8
Per cent means out of 100. 47/100
