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
Answer:
the top one
Step-by-step explanation:
just look at the y intercept, and if it has (0,2) its right
and look also look at if it is going up from left to right or going down, beucase this has a negative slope it should be going down
Each number is being multiplied by 3.
If the two integers are both the same sign (both positive or both negative), then the quotient will be positive.
Answer:
$28 dollars is the new cost
Step-by-step explanation:
$40 - 30% = $28