SOLUTION: 1) The sum of the ages of Luis and Shannon is 108 years. 9 years ago, Luis's age was 4 times Shannon's age. How old is Luis now?
2) Jason is 80 years old. Erin is 35 years old.
Algebra.Com
Question 1016704: 1) The sum of the ages of Luis and Shannon is 108 years. 9 years ago, Luis's age was 4 times Shannon's age. How old is Luis now?
2) Jason is 80 years old. Erin is 35 years old. How many years until Jason's age is 2 times Erin's age? years
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
L=Luis's age; S=Shannon's age
.
L+S=108
L=108-S
.
L-9=4(S-9)
L-9=4S-36
L=4S-27
108-S=4S-27
135=5S
45=27
.
L=108-S=108-27=81
.
ANSWER: Luis is 81 and Shannon is 27.
.
CHECK:
L-9=4(S-9)
81-9=4(27-9)
72=4(18)
72=72
.
LIMIT ONE QUESTION PER POST.
RELATED QUESTIONS
The sum of the ages of Luis and Shannon is 108 years. 9 years ago, Luis's age was 4 times (answered by ikleyn,MathTherapy)
Luis is 9 years older than kevin. Two years ago, his age was twice that kevin's age. How... (answered by Boreal)
11 years ago Shannon was twice my age. 18 years ago Shannon was 3 times my age. How old... (answered by solver91311)
Luis is 16 years older than Stephanie. For the last four years, luis and Stephanie have... (answered by josgarithmetic)
Daniel is 5 times as old as Luis and is also 8 years older than Luis.
How old is Luis?
(answered by Alan3354)
Luis is 30 years younger than william. 15 years ago, william was 4 times as old as luis . (answered by KlambinRonsentaswer)
Luis is 4 times as old as Ashley. Nine years ago, Luis was 7 times as old as Ashley. How (answered by ewatrrr)
Luis is 28 years younger than Michael. Michael and Luis first met 3 years ago. Seventeen (answered by ewatrrr)
The sum of the ages of Isaac and Autumn is 113 years. 9 years ago Isaac was 4 times... (answered by josgarithmetic)