A train starts its journey at 11 o'clock towards east with velocity 45 km/h, while another train begins its journey at 12 o'clock from the same point towards south with velocity 6 km/h. Then the rate of increasing distance between the two trains at 3 o'clock afternoon = Km/h

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

1

step-by-step explanation:

it's the only multiple of both and the least

answer:   y=2x-3

step-by-step explanation: