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Maths Puzzle
Numerical Ability
3 apples cost as much as 4 pears, 3 pears cost as much as 2 oranges.
How many apples cost the same as 72 oranges
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An investment advisor deposited $50,000 into two simple interest accounts. On the tax-free account the annual simple interest rate is 7.5% and on the money market fund the annual s
solve system using elimination x + 2y = 7 3x - 2y = -3