Question

in covering a certain distance the speeds of a and b are in ratio 3:4. a takes 30 min more than b .the time taken by a to reach the destiny??


any brilliant guys?? :)

Answer 1

Answer:

okay I will be given to the answer for

Answer 2

Answer:

Step-by-step explanation:

Let, distance be x kms.

Let, b take y min to reach.

a takes y+30 min.

A/q, x/y+30 ÷x/y=3/4

Or, y/y+30=3/4

Or, 4y=3y+90

Or, y=90 min.

a takes (90+30) min= 120 min= 2 hrs to reach the destination.

This is an easy sum. Hope it helps.