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5 votes
Mrs. Porcelli's classroom

times as long as Mrs. Porcelli's. F
board is 2 4 feet long. Ms. Smith's bulletin board is 3
How long is Ms. Smith's bulletin board.

1 Answer

2 votes

Answer:


6(3)/(4)\ ft or
6.75\ ft

Explanation:

The complete question is

Mrs . Porcelli’s classroom bulletin board is 2/1/4 feet long. Ms .Smith bulletin board is 3 times as long Mrs . Porcelli’s.How long is Ms.Smith’s bulletin board

we know that

To find out how long is Ms.Smith’s bulletin board, multiply Mrs . Porcelli’s bulletin board by 3

so


2(1)/(4)(3)

but first convert mixed number to an improper fraction

so


2(1)/(4)\ ft=2+(1)/(4)=(9)/(4)\ ft

substitute


(9)/(4)(3)=(27)/(4)\ ft

convert to mixed number


(27)/(4)\ ft=(24)/(4)+(3)/(4)=6(3)/(4)\ ft

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