Abag contains 10 marbles: 3 are green, 2 are red, and 5 are blue. ashley chooses a marble at random, and without putting it back, chooses another one at -
random. what is the probability that the first marble is red and the second is blue? write your answer as a fraction in simplest form.

(1).probability of getting a red marble is.

total number of red marble is 2.

total number of marble is 10.

(2). probability of getting a blue marble is

total number of blue marble is 3.

total number of marble in bag is 9

one that is bigger than 3 1/2

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart