Ida paid 75¢ for two iteams and got 19¢ in change. What iteams did she buy
2 answers:
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The image shows that all integers are rational numbers, but there are rational numbers that are not integers.
The formal statement would be
Answer:
1/2
Step-by-step explanation:
Simple probability is a ratio of the number of ways the thing we want to happen can to the total possible outcomes.
(For example, we flip a coin and want heads, but it can land on heads or tails. Our probability of getting heads is 1/2, one way to get heads over the 2 possible outcomes)
So for this problem, there's 20 possible things that CAN happen (3 + 7 + 10) and 10 ways we get what we want (a green marble).
Our probability of getting a green marble is , which simplifies to