Medicine Hat is 100km east of Lethbridge. roy left his home in Medicine hat and drove east at 90 km/hr
a) write the partial variation equation thay relates Roys driving distance from Lethbridge to his driving time .
b) after driving for 2.5h how far is roy from lethbridge?

Question

anonymous · Answer

Edit: Sign mistake 

a) distance(time) = 100 + 90 * time
Distance in km, time in hour

b) distance(2.5) = 100 + 90 * 2.5 =  325

Roy is 325 km away from lethbridge