exam
Maths Puzzle
Numerical Ability
5a
--- = 75
2
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Sue and Tom Wright are assistant professors at the local university. They each take home about $40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two childr
Solve for x and y:
x*2 + y = 7
x + y*2 = 11
I can see that the answer is x = 2, y = 3 BUT how can it be solved other than by graphing?