Question

Please answer I'll mark as BRAINIEST

Answer 1

Answer:

7/28

12/48

2.5/8

7.5/30

hope this helps please mark me as the brainiest

Answer 2

Answer:

a directly proportionate to b

so a= k×b(k is a constant)

a/b=k

so in first case a/b=5/20=1/4

like this 7/x=1/4

x= 28

y/48=1/4

y= 12

2.5/z=1/4

z= 10

w/30=1/4

w=7.5

I hope it is helpful for you please mark it as the BRAINIEST answer