Question 41866
Let x be the speed
Equation:
{{{270/x-360/x=2}}}
360(x)-270(x)=2[(x)(x)]
{{{90x=2x^2}}}
{{{x^2-45x=0}}}
x(x-45)
x=0 or x=45
Hence, the speed of the car is 45mph
Paul.