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Maths Puzzle
Numerical Ability
A purse contains $8.35 in quarters and dimes. There are 4 more quarters than dimes. Find the number of quarters and dimes.
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book Other Question
A pharmacists needs to obtain a 70% alcohol solution. How many ounces of a 30% alcohol solution must be mixed with 40 ounces of an 80% alcohol solution to obtain a 70% alcohol solution?
The hypotenuse of a right triangle is 4 cm. longer than the one leg and 18 cm. longer than the other leg. Find the length of each side of the triangle.