anna shops for socks that cost $2.99 for each pair and blouses that cost $12.99 each. Let x represent the number of pairs of socks purchased, and let y represent the number of blouses purchased. Which equation models the purchases she made with $43.92? x + y = 15.98 x + y = 43.92 43.92x - 2.99y = 12.99 2.99x + 12.99y = 43.92

1 pair = $2.99 x pairs = $2.99x cost of blouses: 1 blouse = $12.99 y blouses = $12.99y equation: 2.99x + 12.99y = 43.92

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answer: she must produce at least 9,000 windows in order to make a profit of $48,000

explanation:

48,000 - 12,000 = 36,000

36,000/4 = 9,000

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: