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Mathematics
18.01.2020 10:29
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Marcella bought 12/14 yards of ribbon. she uses 2 1/2 yards of ribbon for gift packages

Marcella bought 12/14 yards of ribbon. she uses 2 1/2 yards of ribbon for gift packages and 3 2/3 yards to tie balloons.

how many yards of ribbon does marcella have left?

enter your answer as a mixed number in simplest form by filling in the boxes.
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domjuan1456
domjuan1456
5,0(39 marks)

6\frac{1}{12}\ yd

Step-by-step explanation:

The correct question is

Marcella bought 12 1/4 yards of ribbon. She uses 2 1/2 yards of ribbon for gift packages and 3 2/3 yards to tie balloons.

How many yards of ribbon does Marcella have left?

we know that

To find out how many yards of ribbon Marcella has left, add up the yards of ribbon used for the gift packages plus the yards of ribbon used to tie the balloons. and subtract this result from the total yards of ribbon bought by Marcella

so

12\frac{1}{4}-(2\frac{1}{2}+3\frac{2}{3})

but first convert mixed number to an improper fractions

12\frac{1}{4}=\frac{12*4+1}{4}=\frac{49}{4}

2\frac{1}{2}=\frac{2*2+1}{2}=\frac{5}{2}

3\frac{2}{3}=\frac{3*3+2}{3}=\frac{11}{3}

substitute in the expression above

\frac{49}{4}-(\frac{5}{2}+\frac{11}{3})

\frac{49}{4}-(\frac{5*3+2*11}{6})

\frac{49}{4}-(\frac{37}{6})

\frac{3*49-37*2}{12}

\frac{73}{12}\ yd

Convert to mixed number

\frac{73}{12}\ yd=\frac{72}{12}+\frac{1}{12}=6\frac{1}{12}\ yd

Giabear23
Giabear23
4,4(2 marks)

A because adam and dana are parallel

Step-by-step explanation:

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