exam Maths Puzzle Numerical Ability

Problem Solving With Systems of A line: How to Solve
Suppose you have 10 coins that total $0.85. Some of the coins are dimes, and others are nickels. How many of each coin is thers?

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exam Other Question

Find B, if 4B1-3B9=192 Fifteen (15) years ago Jennifer was quarter of the age she would be fifteen (15) years form now. How old is Jennifer?