Question

if a is directly proportional to b, And a=25 when b=35, Find b when a=40
(i really need the method)​

Answer 1

Answer:

b = 56

Step-by-step explanation:

A way to solve this is cross multiplication!

25/35 = 40/b

40 · 35 = 1400

1400/25 = 56

I hope I was able to help. Have a good new year!