One bag contains three white marbles and five black marbles, and a second bag contains four white marbles and six black marbles. a person draws one marble from each bag. find the probability that both marbles are of the same color?

Probability of both the marbles be of same color is 21/40.

Step-by-step explanation:

One bag contains 3 white marbles and 5 black marbles.

Second bag contains 4 white and 6 black marbles.

A person draws one marble from each bag and we have to find the probability that both the marbles are of same color.

Probability of getting both balls white = P(ww) = (3/8)×(4/10) = 3/20

Probability of getting both the balls black = P(bb) = (5/8)×(6/10) = 15/40

Probability of getting either both the balls black or white = 3/20 + 15/40 = 21/40

Therefore the probability of getting both the marbles of same color = 21/40

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!