It's 3.
3‚354‚107
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The difference (subtraction) of a number (x) squared (²) and the number (x) is (=) one less than (- 1) four times (4 ·) the number (x)
x² - x = 4x - 1
34.92 is the answerr i think
2,700 / 12 = 225
225 / 5 = 45
They can make 45 necklaces.
