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26.02.2021 •
Mathematics
An electronics store had a special sale on two different models of calculators. The more high-tech model sold for $33.02 and the older model sold for $18.55. All together, 28 calculators were sold. Total sales came out to $736.45. Which system of equations can be used to determine how many high-tech models were sold, x, and how many older models were sold, y?
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Ответ:
Step-by-step explanation:
the linear equation in slope-intercept form is