Accepted Answer
Let the first car's average speed be xThe second car's speed would be x+5[tex]2(x+(x+5))=210[/tex][tex]2x+5=105[/tex][tex]2x=100[/tex][tex]x=50[/tex]So the speed of the slower car is 50mph, and the speed of the faster car is 55mph
Suggested Answer
i think the answer is 50 and 55 but to check that u can multiply both of them by two and then add them together and see if it = 210