Question

Numbers 1-30 are written on cards and placed in a bag. One card is drawn. Find each probability.

a. drawing an even number or a 1.

b. drawing an even number or a multiple of 7.

Answer 1

Answer:

A. $\frac{8}{15}$    There are 15 even number and then there is 1 so 16 possibilities in total.

B. $\frac{19}{30}$    There are 15 even numbers and there are 4 multiples of 7 so 19 in total.