Write an equation for a third biker, lauren, who rides twice as fast as kevin. Explain your reasoning.

Question

Kevin = 11.5 miles per hour

Y=miles

X=hours

Answer 1

 

Kevin's rate is 11.5 miles/hr  ... that's his rate

 

Lauren's rate is twice Kevin's rate.

 

Here is our equation

 

Lauren's rate = 2(11.5 mi./hr)

                    = 23 mile per hr