Question

d) By what number must a given number be multiplied to increase it by 20%?​

Answer 1

Answer:

1.2

Step-by-step explanation:

let number be x

let number multiplied is y

according to question

x × y = x + 0.2 x

y = 1.2

hope this helps

Answer 2

Answer:

Let the number be x.

= x + ( 20% of x )

= x + ( ( 20 / 100 ) * x )

= x + ( 2 x / 10 )

= x + 0.2 x

= 1.2 x

HOPE IT HELPS!