Cards with the numbers 1 through 40 are placed in a box and throughly shuffled. What is the probability of randomly selecting a card with a number less than 10 or a multiple of 15? a) 3/10; b) 11/40; c) 1/20; d) 7/400

Question

Mathematics

Macie Clements

10 November, 10:10

Cards with the numbers 1 through 40 are placed in a box and throughly shuffled. What is the probability of randomly selecting a card with a number less than 10 or a multiple of 15? a) 3/10; b) 11/40; c) 1/20; d) 7/400

+1

Answers (1)

Know the Answer?

Ansley Hubbard · Answer 1

There are 9 numbers less than 10. 1,2,3,4,5,6,7,8,9

And there are 2 multiples of 15. 15,30

There are 11 of the 40 cards that are either less than 10 or multiples of 15, so the answer is B