Question

PLEASE SOLVE THIS!


11th science a group



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Answer 1

Answer:

A is 4

Step-by-step explanation:

x:4x is 20

x +4x is 20

5 x is 20

x is 20/5

x is 4..

Answer 2

Given equation :-

A = ( x : 4x = 20 )

To Find:-

To Check Whether A = 5 or not

Explanation:-

Lets take x common

x ( 1 : 4 ) = 20

x × $\frac{1}{4}$ = 20

x = 20  ×  $\frac{4}{1}$

x = 80

A = (x)

5 ≠ 80

∴ A ≠ 5, A = 80

Hence proved with explanation

Hope It Helps You ✌