zainubsaeed13
zainubsaeed13 zainubsaeed13
  • 03-01-2022
  • Mathematics
contestada

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

if a is directly proportional to b And a25 when b35 Find b when a40 i really need the method class=

Respuesta :

study21geek
study21geek study21geek
  • 03-01-2022

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!

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