Joe spends 18.75% of his working day washing cars. he spends 1.5 hours washing cars. how many total hours does he work per day?

Math i have no idea how to do a and b

Solve 13 + w/7= -18 (w/7 is a fraction)

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.