Question

please explain this question​

Answer 1

Answer:

Is 3)4%increase

Step-by-step explanation:

Anas is your friend

Answer 2

Answer:

A=B+C

(2-1) 1 1

it means if 1 decrease from A

1 ,1 added in B and C

Here one decreases and their added

there fore nothing change in that

In above question 20% decreases and sale increased by 20%

(4)= income remind same