If two car are traveling in opposite directions and have average speeds of 45 mph and 55 mph, what equation shows that the cars are 250 miles apart after t hours?
2 answers
7x over 9
The options are:
45t=55t+250
45t+55t=250
55t-45t=250
or 50t=250
45t=55t+250
45t+55t=250
55t-45t=250
or 50t=250
1 answer