Answer:
The answer is 10
Step-by-step explanation:
Trust me
3c(5+c) -2(3c-7)
15c+3c^2-6c+14
9c+3c^2+14
The Given equation is , 3 x + x = 440,
Let speed of train A is x Km/hour and Speed of train B which is a Bullet train which starts from same station but from different platform is 3 times the speed of train A.
And Sum of their Velocities is i.e Velocity of train A and Velocity of train B is 440 Km/hour.
Answer:
the answer is 14 units
Step-by-step explanation:
you're welcome
.07 is what I believe the answer is
