Robin is twice as old as earl, and in 6 years he will be three times as old as adam, who is 8 years younger than earl. find their present ages.

ANSWER

Earl =12 years, Robin =24 years and Adam =4 years.

EXPLANATION

Let Earl's present age be


Then Robin will be,



and Adam will be



In six years time, Robin will be 3 times as old as Adam. This implies that,





We expand to get,



Group similar terms to get;



This implies that,



Therefore their present ages are;

Earl =12 years, Robin =24 years and Adam =4 years.

10 will be the number of adult tickets and 11 will be the number of children tickets. i hope i could ! good luck : )