Wich is a solution to (x-3)(x+9)=-27?
1 answer:
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Answer:
Grand coffee cup = 1469 gm
Jumbo coffee cup = 60 gm
Step-by-step explanation:
Let x be the grande coffee cup and y be the jumbo coffee cup.
Solution:
From the first statement. They served 23 grande cups and 51 jumbo cups of the new coffee today, which equal a total of 36,846 grams.
So, the equation is.
---------(1)
From the second statement. They served 58 grande cups and 68 jumbo cups of the new coffee tomorrow, which equal a total of 59460 grams.
----------(2)
Solve the equation 1 for x.
---------(3)
Substitute in equation 2.
Using cross multiplication.
y ≅ 60 gram
Substitute y = 60 in equation 3.
grams
Therefore, grand coffee cup = 1469 gm and jumbo coffee cup = 60 gm