Question

Hey guys pls answer the 12 and 13 questions ! Fast

Answer 1

Answer:

Step-by-step explanation:

Q-13=

The ratio of their speed=the speed of Ahmed/the speed of Ali

=5/10 km/h

=1/2 km/h

I am not sure about 12,but we can solve it in this way:-

Let number of boys be x

Number of girls are already given that is 405

So,

8/3=x/405

x=405*8/3

Hence x=1050

Hope it helps!!!