Question 547576
parents stick together...


"Mark has one less than twice the number of CD''s PHillip has" ___ m = 2p - 1


"Together they have 65 CD'S" ___ m + p = 65


subtracting the 1st eqn from the 2nd eqn ___ m + p - m = 65 - (2p - 1)


p = 66 - 2p ___ 3p = 66


substitute back to find m