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Do you agree with answer 1 and why and not
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Do you agree with answer 1 and why and not

Do you agree with answer 1 and why and not-example-1
User Westporch
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1 Answer

2 votes

Answer: The equations are correct as the addition of individual and group acts must be equal to the total duration of the act.

Step-by-step explanation

As the addition of individual and group acts must be equal to the total duration of the acts, then, the equations should be:


12x+6y=120
4x+y=30

which is equal to what the classmates wrote. Thus, they are correct.

User Taras Leskiv
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7.6k points
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