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Maths Puzzle
Numerical Ability
Explain the difference between equivalent expressions and equivalent equations.
Show an example of each
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book Other Question
Working together, Joe and Jim can dig a ditch in 7 hours. Working alone, it takes Jim 2 hours longer than it takes Joe. How long will it take Joe to dig the ditch alone.
Please
c+3(c-2)-c=22+5c-32