Question

The average age of Hasan, Madiha, and their child is 20 years. If Madiha is 27
years old and the child is 3 years old, how old is Hasan?
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Answer 1

Answer:

let hasan be X and madina be Y ,child be Z

X+Y+Z/3=20

X+Y+Z=60

X+27+3=60

X=30

Step-by-step explanation:

Answer 2

Answer:

Hasan is 30 years old.

Step-by-step explanation:

Average = Sum ÷ Count

Therefore,

20 = 27+3+Hasan's age ÷ 3

20 × 3 = 27 + 3+ Hasan's age

60 = 30 + Hasan's age

30 = Hasan's age