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Vilka [71]
3 years ago
13

Subtract as indicated.

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0

-6/5 - (-13/15) = -6/5 + 13/15 =

= -18/15 + 13/15 = -5/15 = <u>-</u><u>1</u><u>/</u><u>3</u>

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Answer:Well, I don't know what you got so I can't tell you if it is right.

If it works in both equations, it depends of whether your equations are set up correctly.

Here is how I would do this problem.

Let x = no. of hot dogs,y = number of sodas.

First equation is just about the number of things.

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solve x+y = 15 for y  y = 15-x    substitute into second equation

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You should get the correct answer for number of hot dogs if you solve this correctly.  Put your answer in the x + y =15 equation to get y.  Then put both x and y into the cost equation and check your answer.

Hope this helps.

Step-by-step explanation:

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