Question

in a box there are 27 cards of same size some are red and other blue if a card is taken from the box the probability of it being red is 1/3
a) what is the number of red cards
b) 1 more red card and two more blue card are put into the box what is the probability of getting the red card
​

Answer 1

Answer:

a) 7

b)4/11

step by step explanation

• a) 1/3 = 27/3

= 7

so the number of red cards is 7

• b) red=7 + 1 more added card

blue=20+ 2 more added cards

so red=8

and blue =22

= 8/22

=4/11

so the probability now is 4/11

hope it helpsss....