Natsumi went on a business lunch. the pretax bill was $55.60. she decided
to leave a 15% tip. the sales tax rate is 8.25%. what was the final amount of
the bill?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample