Combinatorics and Probability Worksheet Name
1. Seven cards in a pile are numbered 1 through 7. One card is drawn. The units
digit of the sum of the numbers on the remaining cards is 7. What is the number
on the drawn card?
(A) 7
(B) 6
(C) 5
(D) 3
(E) 1

What is the length of the unknown leg in the right triangle ?

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?