A girl is half the age of her mother. Mother is 5yrs less than father and the sum of the 3 ages is 100 find each age

kates
Aug 9, 2017

#1**+4 **

x = girl's age

2x = mom's age

2x + 5 = father's age

\(x + 2x+2x+5=100\)

\(5x+5=100\)

\(5x=95\)

\(x = 19\)

The girl's age is 19, the mother's age is 19*2 or 38, and the father's age is 38+5 or 43.

CHECK: 19 + 38 + 43 = 100?

100 = 100

Mathhemathh
Aug 9, 2017

#1**+4 **

Best Answer

x = girl's age

2x = mom's age

2x + 5 = father's age

\(x + 2x+2x+5=100\)

\(5x+5=100\)

\(5x=95\)

\(x = 19\)

The girl's age is 19, the mother's age is 19*2 or 38, and the father's age is 38+5 or 43.

CHECK: 19 + 38 + 43 = 100?

100 = 100

Mathhemathh
Aug 9, 2017