Question

Zayne has a bag filled with coins. the bag contains 7 quarters, 8 dimes, 3 nickels, and 9 pennies.. he randomly chooses a coin from the bag. what is the probabilit that zayne chooses a quarter or a nickel?

Answer 1

In the question, it is given that, Zayne has a bag filled with coins. the bag contains 7 quarters, 8 dimes, 3 nickels, and 9 pennies.. he randomly chooses a coin from the bag.

Probability of selecting quarter is

$\frac{7}{27}$

And probability of selecting nickel is

$\frac{3}{27}$

So to find the probability of selecting quarter or a nickel is the sum of the two probabilities, that is

$\frac{7}{27}+ \frac{3}{27} = \frac{10}{27}$

Answer 2

Quarter: 7/27
nickel: 3/27=1/9
the 27 came from adding the amount of coins
7+8+3+9=27