book Maths Puzzle Numerical Ability

I don't remember if I already asked these or not, so here they are.

Solve each inequality. State the solution set using interval notation and graph it.


w^2 - w < 0



x

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book Other Question

A sum of money amounting to $5.15 consists of 10 cents and 25 cents. If there are 32 coins in all, how many 25 cents are there? Solve the quadratic equation by completing the square.

X square - 6x + 10 = 0

Thank you so much.