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adelina 88 [10]
3 years ago
7

Help me please 10 points

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0

Answer: 2/15

Step-by-step explanation:

25-21/30 = 4/30

4/30 = 2/15

astraxan [27]3 years ago
6 0

Hope this helps !! if u have any questions ask I just showed the work Incase u needed it

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The Nuthouse offers a mixture of soy nuts and almonds, Almonds
elena55 [62]

Answer:

  14 pounds

Step-by-step explanation:

The given equations can be solved for y by substituting for x. The first equation is convenient for writing x in terms of y.

<h3>Solution</h3>

  x = 20 -y . . . . . . . subtract y from the first equation

  7(20 -y) +5.5y = 119 . . . . . substitute for x in the second equation

  140 -1.5y = 119 . . . . . . . . simplify

  21 = 1.5y . . . . . . . . . . . add 1.5y -119 to both sides

  14 = y . . . . . . . . . . . .divide by 1.5

14 pounds of soy nuts should be used in the mixture.

__

<em>Additional comment</em>

There are many ways to solve a system of two linear equations. The attachments shows a matrix solution using a suitable calculator. It tells us that x=6 and y=14, as we found above.

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