Answer:645 kilometers per hour
Solution.
Let v be the speed of the plane flying east!
Then, the speed of the plane flying west is v+75.
Since the planes are 5460 kilometers apart by 7 pm est,
(7-3)*(v+(v+75))=5460
2v+75=1365,
2v=1290,
v=645
answer: 645
Answer:
y=120
Step-by-step explanation: 60 x 2 = 120
15x + 120
(46/2)+14 = 37
You basically answered the question yourself.
