SOLUTION: Alan is 7 years older than Nicole. In 5 years the sum of their ages will be 49. How old is Alan now?
Algebra.Com
Question 1024429: Alan is 7 years older than Nicole. In 5 years the sum of their ages will be 49. How old is Alan now?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Alan is 7 years older than Nicole. In 5 years the sum of their ages will be 49. How old is Alan now?
-------
Equations:
a = n + 7
a+5 + n + 5 = 49
-----------
Substitute for "a" and solve for "n"::
n + 12 + n + 5 = 49
2n + 17 = 49
2n = 32
n = 16
-----
a = n+7 = 16+7 = 23
------------
cheers,
Stan H.
-----------
RELATED QUESTIONS
Gabriel is 4 years older than Nicole. In 5 years the sum of their ages will be 66. How... (answered by ikleyn,Edwin McCravy)
Alan is 12 years older than tom. Three years ago, Tom was half of how old Alan is now.... (answered by ankor@dixie-net.com)
Alan is 2 times older than Bob. Carlos is 5 years older than Bob. The total of their ages (answered by ewatrrr)
Cody is 7 years older than Natasha. In 5 years the sum of their ages will be 61. How old... (answered by ikleyn)
Alan is x years old. His mother's age is the square of his age. If Alan's father is... (answered by TimothyLamb)
Nicole is 7 years older than her
brother. In 5 years, what will be
the difference... (answered by ikleyn,POOPFACE)
The sum of the ages of Alan, Jim, and Les is 157 years. Twenty years ago, six times Jim's (answered by josgarithmetic)
barbra is 5 years older than Roxanne. in 6 years, the sum of their ages will be 35 years... (answered by stanbon)
Reid is 5 years older than Peter. In 9 years, the sum of their ages will be 57 years. How (answered by TimothyLamb)