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castortr0y [4]
3 years ago
9

A software company sells an education version (e) and a commercial version (c) of its popular image editing software. During the

month of January 500 copies of the software are sold with sales totaling $180,000. If the price of the education version is $150 and the price of the commercial version is $600 how many of each version were sold? Which system of equations matches the situation?
Mathematics
2 answers:
geniusboy [140]3 years ago
4 0
Make 2 equations let x=150 y=600/180000  than plug and chug
exis [7]3 years ago
4 0

A software <u>company sells</u> an <u>education version</u>  and a <u>commercial version</u>  of its popular image editing software. Let x be the <u>number of education version copies</u> sold and y be the <u>number of commercial version copies</u> sold.

1. During the month of January 500 copies of the software are sold, then

x+y=500.

2. If the price of the education version is $150, then x educational version copies cost $150x. If the price of the commercial version is $600, then y commercial version copies cost $600y. The total sales are $(150x+600y) that is  $180,000, then

150x+600y=180,000.

3. The system that of equations matches the situation is

\left\{\begin{array}{l}x+y=500\\150x+600y=180,000\end{array}\right..

Solve this system. First, express x from the first equation:

x=500-y.

Substitute this x into the second equation:

150(500-y)+600y=180,000,

75,000-150y+600y=180,000,

450y=105,000,

y=\dfrac{105,000}{450}=\dfrac{700}{3}.

Then

x=500-\dfrac{700}{3}=\dfrac{800}{3}.

Answer: they sold nearly 267 educational version copies and nearly 233 commercial version copies

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