Question

Two planes leave from Dallas, Texas. The first plane travels east at a rate of 250 mph. The second plane travels west at a speed of 225 mph. How long will it take for them to be 2850 miles apart?

Answer 1

think of it this way, if one plane is traveling 475 miles an hour east from dallas, how long will it take before it is 2850 miles away?

Answer 2

6 hours?

Answer 3

correct!

Answer 4

Dude... I love you. Can you help me with this one?
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation.

12x – y = –4
4x – 3y = –6

Answer 5

sorry, i am stuck on algebra.

Answer 6

Oh.. Thanks anways :)

Answer 7

welcome