Jose thinks of a number. "If I double my number and add 5 the answer is 45"  Joseph thinks of a number. "If I multiply my number by 3 and add 5 the answer is 41"  
Joshua thinks of a number. "If I add 5 to my number then divide the result by 2, the answer is 12.5"  Juan thinks of a number. "If I multiply my number by 5 and subtract 2 then multiply the result by 6, the answer is 2 less than 80" 
What numbers are they thinking about?
Topics: Starter  Algebra  Functions  Puzzles
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