Question

When I am 5% older than I am now, I will be 21 years old. How old am I now?

Answer 1

Answer:20 years

Step-by-step explanation: Let your present age be 'x'

If you are 5percent holder then your age is 21

x +5/100×x =21

x+5x/100=21

100x+5x/100=21

105x/100=21

x=21×100÷105

x=20

Answer 2

X＋5％×x＝21
x＋5/100x＝21
x＋1/20x＝21
21/20x＝21
x＝20
You are 20 years old now.

Hope my answer helped u :)