The graph shows how many bottles a machine caps in a certain number of seconds.
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6c - (3 - 3c) = 24
Distribute the negative sign with terms inside the parenthesis;
6c - (3) - (-3c) = 24
6c - 3 + 3c = 24
Combine like terms:
9c - 3 = 24
Add 3 to both sides:
9c = 27
Divide both sides by 9:
c = 3.
Computing the rate we get:
Then, when the assembly line runs at the same rate for 24 hours they will produce:
Answer: Option C) 720.