You can know that it is wrong because by multiplying 6, which is the rounded version of 6.27, by 7 that you will get 42, which is the approximate answer. 438.9 is not even close to thatanswer
Start with 21 cups , substract 5.5 (5 and one half) , 2.25( 2 and one fourth), and then divide by two (divided into 2 equal portions) and the result is 6.625 and if you divide the options as an improper fraction, you'll get 6 and five eights... so your answer is D.
That would be approximately five hours of president and president of president and internet president of national president
1 time or something like that, it most likely had a decimal in there somewhere but it's defanitley 1 something.
The answer to this question is:
1/2
Steps: Turn the second fraction upside down, then multiply.