exam Maths Puzzle Numerical Ability

how do i turn 2.75 into a fraction

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exam Other Question

how many solutions are there to |x+2| = 14
a. 1
b. 2
c. -16
d. none of the above I need to solve this problem by using the linear combination method. Here is the equation: 3x+2y-z=8
-3x+4y+5z=-14
x-3y+4z=-14
If you can pl