Question

The ratio of alice's and ben's walking speed is 2:3.the ration of ben's and chloe's walking speed is 4:5.if chloe can cover 35 more metres than alice in one minute, how many more metres can ben cover in 10 minutes than alice?

Answer 1

Answer:

200mtrs

Step-by-step explanation:

a:b=2:3=8:12

b:C= 4:5=12:15

or a:b:C=8:12:15

now consider speed of A B and C in 1 mnt A=8x, B=12x, C=15x

in 1 mnt C can cover 35mtrs more than A Or (15x-8x=7x) 7x more

I. e 7x=35mtr

now

B can cover (12x-8x) 4x more in 1 mnt than A

so in 10 mnts it will be 4x*10=40x

now 7x=35

1x=35/7 =5

40x=5*40=200mtrs