Question

a bag contains 6 red marbles, 6 white marbles, and 4 blue marbles find P (red or blue)

Answer 1

the ratio of the total of red and blue marbles to the total number of marbles

Answer 2

how many marbles total?

Answer 3

16

Answer 4

right, and the total of red and blue together?

Answer 5

12

Answer 6

ok so \(\frac{12}{16}\) which no doubt reduces

Answer 7

actually that is wrong, i count 10

Answer 8

sorry yeah 10

Answer 9

6 red. 4 blue, total is 10
so \(\frac{10}{16}=\frac{5}{8}\)

Answer 10

hope it was clear, and also clear that it was not too hard once you know what to do