(I'm going to use brackets as my absolute value bars lol)
[5 x -3]
[-15]
=15
10 - 5 = 5
Hope this helped your husband.
Answer:
Step-by-step explanation:
2⅝ miles/(3½ minutes) = (21/8 miles)/(7/2 minutes) = ¾ mile/minute
d = ¾m = 0.75m
1 /5 = 0 . 2
45 * . 2 = 9
Hope this helped :)
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
