B) If a, b, c are three rational numbers where a = a = 3
3,6 = and c =
olů
Verify: a + (b + c) = (a + b) + C

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?