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3 years ago

7

a class of 54 students is divided into equal groups for orientation each group should have at least 7 students but no more than

10 students. What is the group size?

1 answer:

Dennis_Churaev [7]3 years ago

8 0

2 students more were introducced in the class and each group had 8 people

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3 years ago

Given the system of equations presented here:

Nata [24]

2x + 4y = 14
4x + y = 20......multiply by -4
----------------
2x + 4y = 14
-16x - 4y = -80 (result of multiplying by -4)
---------------add
-14x = -66....as u can see, ur y's cancel out

so ur answer is : 1st answer choice <==

** and just so u know, u could have multiplied the 1st equation by -2, and it would have cancelled out ur x's

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3 years ago