The age of the girl is 16 years. His brother's age is 3/4th of her age then what is the age of the boy?
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Let the girl's age be 'x' and
Her brother's age be 'y'.
Age of the girl is 16 years.
∴ x = 16
Her brother's age is 3÷4th her sister's age.
∴ y = 3
-- x
4
y = 3
-- × 16
4
y= 3 × 4 = 12 .
∴ The age of the boy is 12 years.
Hope it helps.. c:
Her brother's age be 'y'.
Age of the girl is 16 years.
∴ x = 16
Her brother's age is 3÷4th her sister's age.
∴ y = 3
-- x
4
y = 3
-- × 16
4
y= 3 × 4 = 12 .
∴ The age of the boy is 12 years.
Hope it helps.. c:
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