Answer:
B. 0.4
Step-by-step explanation:
Use the definition of the probability

You have to find the probability that a randomly selected reference book is hard cover. Hence, from the table
- Number of all possible outcomes = Number of Reference books = 25
- Number of all favorable outcomes = Number of Hardcover Reference books = 10
So, the probability is

Answer:
Yes, they are equalent
Step-by-step explanation:
12:14 = 6:7
60:70 =6:7
both can be simplified to 6:7
Answer:
She would charge $39 for 6.5 hours of cleaning
Step-by-step explanation:
Set it up as a proportion: 4.5/27 = 6.5/x
Answer:
{2, 3}
Step-by-step explanation:
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