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