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Maths Puzzle
Numerical Ability
3/2a-2 - 2/1-a
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Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How mamy of each type of question are on the test? please help me to sovle it. thank you.
Karen saves her change and has dimes, nickels, and pennies totaling $4.52. If there is 1 more dime than three times the number of nickels and 10 more pennies than nickels, how man