Question

Observe the following tables and identify in which cases x and y vary directly.
(i)3/6

5/10

8/16 12/25 15/30​

Answer 1

Step-by-step explanation:

From 2 nd column,

y=3x

Therefore,

For x=8⇒y=3×8=24

For x=12⇒y=3×12=36

For y=63⇒x= 3/y

= 36/3=21

Answer 2

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