Question

ANSWER CORRECTLY TO BE THE BRAINLIEST​

Answer 1

sorry bro it's too long I can do it

Answer 2

Answer:

Step-by-step explanation:

Distance between a and b is 30km.

Let, the speed of a be X

The speed of b be Y

When moving in same direction,

Speed is x-y .

When moving in opposite directions,

Speed is x+y.

Distance = 30km

When in the same direction,

3(x-y)=30

3x-3y=30

Use cancellation method for x-y =10 and

X+y=30.

You get 2x = 40

X= 20.

To find y,

X-Y =10

20-Y=10

-y=-30

Y=30

Speed of a is 20 km per hour.

Speed of b is 30 km per hour.