The average age of a husband, his wife and daughter three years ago was 27years and that of the wife and daughter five years ago was 20years. husband's present age is

let's say:

Husband's present age: a

Wife's present age : b

Daughter's present age : c

(a - 3) + (b - 3) + (c - 3) = 27 x 3

a + b + c = 90

(b - 5) + (c - 5) = 40

b + c -10 = 40

b + c = 50

a = 90 - 50

a = 40

Husband's present age is 40 years old.

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

good job you smart son of a gun you are smarter that einstein. 7