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Gwar [14]
2 years ago
9

Rachel ate 1 4/6 brownies, and brandy ate 6/7 of a brownie. how many brownies did they eat altogether?​

Mathematics
2 answers:
In-s [12.5K]2 years ago
6 0

Answer:

53/21 OR 2 11/21

Step-by-step explanation:

1 4/6 + 6/7

Change 1 4/6 into an improper fraction

1 4/6 6x1= 6+4= 10/6

Simplify 10/6 --> 5/3

5/3+ 6/7

find a common denominator (21)

35/21+18/21= 53/21

mixed number form is 2 11/21

Vikki [24]2 years ago
5 0

Answer:

2 \frac{11}{21}

Step-by-step explanation:

1 4/6 + 6/7 = 2 11/21

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Andreyy89
We can put this information into two equations:

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Let us then focus on one equation to find the relationship:

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If we put that into a fraction, we get \frac{7}{140} or \frac{1}{20}.

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We can then see that this relationship holds true for the second equation as well:

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To write a general equation for this relationship using p for the number of postage stamps, and b for the number of booklets:

p = 20b

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