Answer:
let the daughter age be x
let mother age be 3x
Step-by-step explanation:
x+3x= 80
4x = 80
x= 80\4
x=20
daughter age is 20
mather age= 80 -20
= 60
daughter age 20
mother age 60
B. 55°
blue
a b c d e
1 2 3 4 5
27-25=2
so b, or blue
$130
