SOLUTION: Patty is 45 years old. She is 15 years older than twice her daughter's age. How old is Patty's daughter?

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Question 1132783: Patty is 45 years old. She is 15 years older than twice her daughter's age. How old is Patty's daughter?
Found 3 solutions by ankor@dixie-net.com, ikleyn, MathLover1:
Answer by ankor@dixie-net.com(22740)   (Show Source):
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Patty is 45 years old.
She is 15 years older than twice her daughter's age.
How old is Patty's daughter? (P)
2P + 15 = 45
2P = 45 - 15
P = 30/2
P = 15 yrs

Answer by ikleyn(52781)   (Show Source):
You can put this solution on YOUR website!
.

Two short lines mental solution without using equations.

From the condition, twice the daughter age is 45-15 = 30. Hence, WHAT ? ANSWER

3-rd grade level problem.

It is how we solved it in my 3-rd grade class - years before we started learning equations.

Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website!

let's Patty's be and her doughter's age
given:
Patty is years old.

She is years older than her daughter's age.

Patty's daughter is years old