The 300 students at Holmes School work a total of 5000 hours each month. Each student in group A works 10 hours, each in group B works 15 hours, and each in

group C works 20 hours each month. There are twice as many students in group B as

in group A. Which equation would not be included in the system used to solve this

problem?

AB=2A

CA + B + C = 300

B 10A + 15B + 200 = 5000 D A = 2B

Step-by-step explanation:

Given

Required

Which of the options is incorrect?

From the question, we understand that there are 300 students.

This implies that:

From the question, we understand that there are 5000 hours.

This implies that:

Also, we understand that there are twice as many B as A.

This implies that:

So, from the list of given options and the analyses done above.

is the odd one among them

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step-by-step explanation: