SOLUTION: John is 12 years older than Sam and the product of their ages is 189. How old is Sam? A. 11 years old B. 9 years old C. 21 years old D. 8 years old

SOLUTION: John is 12 years older than Sam and the product of their ages is 189. How old is Sam? A. 11 years old B. 9 years old C. 21 years old D. 8 years old

Algebra.Com

Question 1138429: John is 12 years older than Sam and the product of their ages is 189. How old is Sam?
A.
11 years old
B.
9 years old
C.
21 years old
D.
8 years old
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
S+12=J
S(S+12)=189
s^2+12S-189=0
(S+21)(S-9)=0
S=9 years
J=21 years
RELATED QUESTIONS
John is 11 years older than Sam and the product of their ages is 180. How old is... (answered by ewatrrr)

john is 9 years older than same and the product of their ages is 322. how old is sam? (answered by Alan3354)

Ray is 15 years older than Sam and Sam is 12 years older than Bart their ages 42 years... (answered by sofiyac)

grace is 8 years older than her brother sam. the sum of their ages is 20. how old is... (answered by Alan3354)

Sam is 3 years older than Tom. The sum of their ages is 11. How old are... (answered by Alan3354)

Sam is 12 years older than Tom. The sum of their ages is 27. How old is each... (answered by ewatrrr)

ray is 15 years older than sam and sam is 12 years younger than bert. Their ages total 42 (answered by stanbon)

Jan is 7 years younger than Lucy and 4 years older than Sam The average of their ages... (answered by lwsshak3)

Roger is 5 years older than his sister, who is 2/3 the age of their brother Sam. Sam is... (answered by TimothyLamb)