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Maths Puzzle
Percentage
If 90 is increased by 130 percent, what is the resulting number?
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Book Other Question
Find each quotient: The problem below is a fraction with 3 sets of numbers on top and three on bottom.
6a^5b^7c^6/-3a^3b^9c^6
Solve
2x^2 + 13x + 15 = 0