Question

Please answer !!! step by step ​

Answer 1

Answer:

ratio means dividing

Step-by-step explanation:

90÷3=30

90÷7=12.8

=30/12.8

pls mark as brainlist

Answer 2

Answer:

₹27 and ₹63

Step-by-step explanation:

Let the two portions be 3x and 7x,

⇒ 3x+7x=90

⇒10x=90

⇒x=90/10

⇒x=9

∴ 3x= 3x9=₹27

  7x=7x9= ₹63