A father is K years old and his son is M years younger. The sum of their age is 53

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83