Tonya watched videos for 1/4 of an hour played checkers for 2/5 of an hour and practiced soccer for 1.35 hours how many hours did tonya spend on these three activities

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Step-by-step explanatbuy ion:1/4 +2/5+1.35

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

step-by-step explanation:

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.  

imma say 16%. sorry if its wrong. i'm doing the same stuff right now

step-by-step explanation: