SOLUTION: Jon is three times as old as Cal, while Ron is 12 years older that Cal. Eight years from now. the sum of their ages will be 81. How old are Jon,Cal and Ron ?

Question 1200734: Jon is three times as old as Cal, while Ron is 12 years older that Cal. Eight years from now. the sum of their ages will be 81. How old are Jon,Cal and Ron ?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
.

x for Cal, 3x for Jon, and (x+12) for Ron. Write equation for their total age now, which is 81 - 3*8 = 57 x + 3x + (x+12) = 57 Simplify and find x 5x = 57 - 12 = 45 x = 45/5 = 9. ANSWER. Cal is 9 years old; Jon is 3*9 = 27 years old; Ron is 9+12 = 21 years old.

Solved.

Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!

NOW 8 YEARS FUTURE JON 3c 3c+8 CAL c c+8 RON c+12 c+20 Sum 81

RELATED QUESTIONS
Jon is three time as old as Cal, While Ron is 12 years older than Cal. If Jon and Ron are (answered by oberobic)
jon is 3 times as old as cal, while ron is 12 years older than cal. if jon and rin are... (answered by solver91311)
Currently Cal’s father is 5 times older than cal. Cal is 4 years older than his sister... (answered by josgarithmetic,ikleyn)
Cal is 11 years older than Hal. The sum of their ages is 89. How old are they? (answered by josgarithmetic)
Nono is Five years older than his twin sisters. The sum of the ages of the twins three... (answered by lwsshak3)
Mr. Scott is three times as old as Betty. In eight years the sum of their ages will be... (answered by midwood_trail,checkley77)
Hermin is 6 years older than Doy. Eight years from now, Hermin will be 4 times as old as (answered by ptaylor)
Jon is 14 years older than Philip. 2 years from now, Jon will be 3 times as old as... (answered by lwsshak3)
Jon is 14 years older than Philip. Two years from now, Jon will be 3 times as old as... (answered by josgarithmetic)