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Naddika [18.5K]
3 years ago
7

You eat five slices of bread. Your friend eats two slices fewer than you eat. Write an expression that describes the number of s

lices your friend eats
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
5 0
X-2 or 5-2 because 2 fewer you would need to subtract two from the amount you ate
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Answer:

1) 2 5/12

2) -3 1/30

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Step-by-step explanation:

1) You may be expected to solve this a different way, but how I prefer to solve these involves converting to "improper fractions", then making everything whole.

-11/3 = x - 5/4 (convert to improper fractions)

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-29 = 12x (add 15 to both sides)

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2 5/12 = x (convert to a mixed number, because that's what the question asks)

For clarity, that's two and five twelfths.

2) Same thing as above. I prefer improper fractions.

x + 17/6 = -1/5 (simplify and convert to improper fractions)

30x + 85 = -6 (multiply everything by 30 to get whole numbers)

30x = -91 (subtract 85 from both sides)

x = -91/30 (divide both sides by 30

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For clarity, thats minus/negative three and one thirtieth.

3) Same thing as above.

-(11/3)x = -11/5

-55x = -33

55x = 33

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4) Same as above, but it's multiple choice! Yay!

-3m = 84

m = -28

5) You know the drill.

-b = 27

b = -27

I'd be happy to explain more if you need it at all. I'd recommend that next time this comes up, you post just one problem and see if you can understand the method so you can better learn how to do it on your own. Good luck (:

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