exam Maths Puzzle Numerical Ability

Shadi has 4.60 in quarters, dimes, and nickels. She has three more dimes than nickels and three more quarters than dimes. How many of each coin does she have?

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exam Other Question

The problem asks you to "solve for x, y, and z." The diagram is a right triangle with an altitude drawn to the hypotenuse.
The altitude is labeled 12
The altitude divides the hy
Could someone help me factor this problem?
Factor the following polynomials.
4ux+20u+vx+5v
Thanks!