Answer:
$21
Step-by-step explanation:
multiply 1.75 times 4, which is 7
then multiply 7 times 3, which is 21
X^2 - 7x + 12 = 0
x^2 - 4x - 3x + 12 = 0
x (x - 4) -3 ( x - 4) = 0
(x - 4) (x - 3) = 0
x = 3 , 4
Check the answer by plugging in 3 and 4 for x, if the equation equals zero then you have your answer.
Answer:
x = 7
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Step-by-step explanation:
