exam Maths Puzzle Numerical Ability

A man has 29 coins in his pocket, all of which are dimes and quarters. If the total value of his change is 590 cents, how many dimes and how many quarters does he have?

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exam Other Question

GRAPH THE FUNCTION, SHOWING ALL ASYMPTOTES (THOSE THAT DO NOT CORRESPOND TO AN AXIS) AS DASHED LINES. LIST THE X- AND Y-INTERCEPTS.
f(x)=(x-4)/(x+5)
y/2+5=12