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Shalnov [3]
4 years ago
7

5 1/4 takeaway 1 1/3 (please write answer as a mixed number)

Mathematics
2 answers:
sp2606 [1]4 years ago
5 0
The problems are quite easy to solve once you know the trick! I prefer to make mine improper fractions first, and then after solving turn it back into a mixed number. When you turn it into an improper fraction, you will have 21/4+4/3. Then, you can find the least common factor, which is 12, and multiply the numerator and denominator to make the denominator 12. Afterwards, you simply add the numerators, giving you 79/12. Finally, we must turn this back into a mixed number, so our final answer is 6 7/12. 
sertanlavr [38]4 years ago
3 0
5 1/4 - 1 1/3 =
21/4 - 4/3 =
63/12 - 16/12 =
47/12 =
3 11/12 <==
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bixtya [17]

Answer:

y = 2.1x +5, 21 miles

Step-by-step explanation:

We will denote miles as "x"

Since she tipped the driver $5, that is a flat rate and that will be our y-intercept. Since it costs $2.10 per mile, we need to multiply that number by the number of miles

So our equation will be y = 2.1x +5

In order to figure out how many miles Ann lives from the airport, we need to substitute y for her grand total that she was charged

This gives us 49.10 = 2.10x + 5

First we need to subtract 5 from each side to get 44.10 = 2.10x

We then need to divide both sides by 2.10 to get 21 = x

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= <span>6x + 2(3x + 5) + (-9)
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In short, Your Final Answer would be 12x + 1

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slavikrds [6]

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