The table below shows the numbers of pencils and pens three friends have in their backpacks: Farrah

10

7

Amle

9

6

Tessa

12

9

Who has the greater ratio of pencils to pens and why? Justify your answer.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.