A wall in Marcus's bedroom is 8 1/3
feet high and 16 1/5
feet long. If he paints 1/3 of the wall blue, how many square feet will be blue?
5 answers
(8 1/3)(16 1/5)/3 = 45
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steve give the break down on how you got the answer
coronavirus 2020 July 22 12:26 PM
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You want to write the mixed numbers as improper fractions before you multiply.
you take the denominator, multiply the whole number THEN add the numerator. the denominator will stay the same.
8 x 3 = 24 + 1 = 25/3
16 x 5 = 80 + 1 = 81/5
plug those 2 numbers in your calculator multiplying. then you take that answer 135 and divide by 3 because thats the piece being painted.
you take the denominator, multiply the whole number THEN add the numerator. the denominator will stay the same.
8 x 3 = 24 + 1 = 25/3
16 x 5 = 80 + 1 = 81/5
plug those 2 numbers in your calculator multiplying. then you take that answer 135 and divide by 3 because thats the piece being painted.
2 answers