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Maths Puzzle
Numerical Ability
Find the LCM of 4 and 7.
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Please help, I have tried many ways and seem to not get an answer
the four corners are cut from an 81/2 inch by 11 inch sheet of paper. Corners are 2in find the perimeter of the
simplify- 3x(4+2y)-2x(3+8y)
This is my answer-
12x +6xy-6x+16xy Why is this wrong???