chloeholt123
27.04.2021 •
Mathematics
Let A be the augmented matrix of a linear system. Find the solution for this
linear system.
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Ответ:
Let x represent number of massages and y represent number of pedicure + 90-minute massage packages.
We have been given that a spa charges $125 for a one hour massage, so amount earned from x massages would be .
The spa charges $250 for a pedicure + 90-minute massage package, so amount earned from y pedicure + 90-minute massages will be .
We have been given that one day the spa had 27 customers. We can represent this information in an equation as:
Since spa made $5,250, so amount earned from both massages would be equal to 5,250. We can represent this information in an equation as:
Upon substituting equation (1) in equation (2), we will get:
Let us solve for x.
Upon substituting in equation (1), we will get:
Therefore, the spa performed 12 one hour massages and 15 pedicure + 90-minute massage packages that is .