exam Maths Puzzle Numerical Ability

Find two numbers whose sum is 50 and difference is 12

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exam Other Question

Your piggy bank has 25 coins in it; some are quarters and some are nickels. You have $3.45. How many nickels do you have? (I know you can figure this out by trial and error, but you must write the equations and solve.) Please help to solve:

negative 9 negative square root 108 divided by 3. The -9-/108 is written as a fraction over 3.