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Sagot :
Answer:
1a. y = $10 + $5x (With $10 as the flat fee, Company A charges $5 an hour, so the equation should be $10, base, plus $5x, the amount charged after you paid the flat fee.)
1b. y = $7x (Every hour $7 translates to $7x as the total. Nothing more, nothing less.)
1c. Substitution (This will allow us to substitute in one of the equations with y, since the question asks for the same amount charged, with the other equation.)
1d. $10 + $5x = $7x
$7x - $5x = $10
$2x = $10
x = [tex]\frac{\$10}{\$2}[/tex]
x = 5
Therefore, after 5 hours, both companies charge $35 dollars.
1e. To check whether this is correct, let's sub in the amount of hours for both equations.
For Company A:
y = $10 + $5x
y = $10 + $5(5)
y = $35
For Company B:
y = $7x
y = $7(5)
y = $35
Since both are equal to $35, we can definitively say the answer is 5 hours.
Step-by-step explanation:
Hope this helped!
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