book Maths Puzzle Numerical Ability

Please answer this one please Linda has some dimes nickels and quarters in her purse. The total value of these coins is $2.55. She has three times as many dimes as quaters. She has three more nickels than quarters

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book Other Question

add or subtract, simplify if possible and show steps to answer

x-4/x-3 + x-1/3-x
Divide

A. Use long division to divide x³+6x²-x-30 by x²+8x+15


B. Use synthetic division to divide (x³+5x²-18)/(x+3)