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Dima020 [189]
3 years ago
12

If 100 pencils can be sold for $90, then how many pencils are needed to earn $8500?

Mathematics
1 answer:
ira [324]3 years ago
5 0

Step-by-step explanation:

You can set up a proportion.

Let x be the number of pencils needed.

\frac{100}{90} = \frac{x}{8500}

Solve for x.

x = 9444.44 pencils (round it up to 9445 pencils if you need a whole number)

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The linear function of the table of values is y = -1.5x + 25

<h3>How to plot the ordered pairs?</h3>

The table of values is given as:

<u>Sequence One       Sequence Two       Ordered Pair         </u>

6                                         16                           (6, 16)

8                                         13                           (8, 13)

10                                        10                           (10, 10)

12                                         7                            (12, 7)

14                                         4                            (14, 4)

From the above table of values, we can see that:

  • As x constantly increases by 2 i.e. +1
  • y constantly decreases by 3 i.e. -3

This means that the table represents a linear function, and the slope of the function is

m = -3/+2

This gives

m = -1.5

A linear function is represented as:

y = mx + c

This gives

y = -1.5x + c

Using the table of values, we have

16 = -1.5 * 6 + c

Evaluate the product

16 = -9 + c

Add 9 to both sides

c = 25

Substitute c = 25 in y = -1.5x + c

y = -1.5x + 25

Hence, the linear function of the table of values is y = -1.5x + 25

See attachment for the graph of the table

Read more about linear functions at:

brainly.com/question/4025726

#SPJ1

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