SOLUTION: Jill's present age is three times her sister's age two years ago. If Jill is 18 years old, how old is her sister now?
Algebra.Com
Question 261314: Jill's present age is three times her sister's age two years ago. If Jill is 18 years old, how old is her sister now?
Found 2 solutions by checkley77, Ruli:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
18=3(X-2)
18=3X-6
3X=18+6
3X=24
X=24/3
X=8 YEARS OLD IS THE SISTER NOW.
Answer by Ruli(21) (Show Source): You can put this solution on YOUR website!
Her sister's age 2 years ago = (x - 2)
Jill's present age = 3(x - 2)=18
3(x - 2) = 18
3x - 6 = 18
3x - 6 + 6 = 18 + 6
3x = 24
x = 8
check:
3(8 - 2)
3(6)= 18
RELATED QUESTIONS
Jill's present age is three times her sister's age two years ago. If Jill is 18 years... (answered by ankor@dixie-net.com)
will is twice as old as jill, three years ago, jill`s age was two fifths of will`s age... (answered by ankor@dixie-net.com)
Liza’s age is four less than thrice the age of her younger sister. If two years ago,... (answered by josgarithmetic,ikleyn)
Ten years ago Emily's age was 4 times bigger than her sister's. If the age of her sister... (answered by Alan3354,josgarithmetic,ikleyn)
Maria is now 3 years younger than her sister, Ann. Four years ago, Maria’s age was... (answered by josgarithmetic)
Maria is now 3 years younger than her sister, Ann. Four years ago, Maria’s age was... (answered by josmiceli)
Liza's age is two more than thrice the age of her younger sister. If her younger sister... (answered by ikleyn)
Jack is twice as old as Jill. If 4 years ago Jack’s age was thrice as Jill’s. Find their... (answered by josmiceli)
Maria is now 3 years younger than her sister, Ann. Four years ago, Maria's age was... (answered by DrBeeee)