Arthur D. answered 02/02/16
Tutor
4.9
(306)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
P=Patrick's age
P+24=Pat's age
(P+24)+9=2(P+9)
P+33=2P+18
33-18=2P-P
15=P Patrick's age
Patrick is 15
15+24=39 Pat's age
Pat is 39