80*t+70*t=50
t = .33 hours =20 minutes
This assumes the trains are going opposite directions (opposite tracks so I’m assuming opposite directions)
X(-x^4)(-x^4)=
The answer is x^9
Answer: C
Step-by-step explanation: Divide the mass value by 35.274
X will equal 8 and y would equal 3
Ratio: 2:7
2+7 = 9
747 / 9 = 83
83*2 = 166
83 * 7 = 581
166 to 581