althea volunteers in the school library for 2 1/4 hours on mondays, wednesdays, and fridays. on tuesdays and thursdays, she volunteers for 1 3/4 hour. althea thinks she volunteers more than 10 hours a week. how many hours does she volunteer? Please help asap

i dont know and i dont care for math bc it is a stupied subject

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answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

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in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

image for option 4

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i just know the internet