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yaroslaw [1]
3 years ago
6

Substitution method Y=0.2+2200 Y=-x+5500

Mathematics
1 answer:
In-s [12.5K]3 years ago
4 0

Since both of the equations both equal why, substitute the equations to make them equal to each other. Like this:Y=0.2+2200 and Y=-x+5500. To this: 0.2+2200=-x+5500. Then solve.

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Describe the steps you would take to solve for the variable x in the following
adoni [48]

Answer:

x =  19

Step-by-step explanation:

1. add 31 on both sides (you wanna get the "x" by itself)

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             38

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5 0
3 years ago
Two student clubs were selling t-shirts and school notebooks to raise money for an upcoming school event. In the first few minut
mixas84 [53]

Using a system of equations, it is found that the cost of a t-shirt is of $3 and the cost of a notebook is of $5.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The variables are given as follows:

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  • Variable y: Cost of a notebook.

Considering the costs of the purchases of Clubs A and B, the matrices give the equations as follows:

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Hence, replacing the second equation into the first:

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The cost of a t-shirt is of $3 and the cost of a notebook is of $5.

More can be learned about a system of equations at brainly.com/question/24342899

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7 0
2 years ago
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The correct option will be: d. 0.4%

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