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Mathematics 18 Online
OpenStudy (anonymous):

Thirty percent of what number is 15?

OpenStudy (anonymous):

50.

OpenStudy (anonymous):

Its 80 I thought

OpenStudy (anonymous):

Because half of 30 is 15, and 50 is half of 100, so the answer is 50.

OpenStudy (anonymous):

The advantage is that it's sometimes easier; the disadvantage is that there's decimal moving involved with the percents. Way #2: We're looking for 15% of 80, so the translation is like so: ↓ ↓ ↓ 0.15.

OpenStudy (anonymous):

What is 55% of 40?

OpenStudy (anonymous):

22

OpenStudy (anonymous):

What is 45% of 50?

OpenStudy (anonymous):

22.5

OpenStudy (anonymous):

Joe's Hot Dog Stand is only open for lunch. Of today's sales, 26% came from selling plain hot dogs. Since the hot dog stand made $45.50 from selling plain hot dogs, it made $ in total sales for the day.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

OpenStudy (anonymous):

$175

OpenStudy (dragons1415):

^

OpenStudy (anonymous):

Thank you @AnswerMyQuestions :)))))))))

OpenStudy (anonymous):

No problem.

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