Book Maths Puzzle Algebra

There are twenty-four coins consisting of nickels and dimes. If the value of the conins is $2.20, then how many nickels and dimes are there each?

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Book Other Question

solve the following equations:X^3-3X^2+X-3=0 AND 3x^2-5x+1=0
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solve each set of linear equations by any mehtod for x and y. State whether the equations are independent, dependent, or inconsistent.
a) y = x + 6
2y - 4x = 6

b) 2x - 4y =