book Maths Puzzle Numerical Ability

Hi
I have a hw due tomorrow. I really need the solution to this problem.
Thanks

**whenever n is used with V, T - it is a subscript

Question:
Let V be a finite dimensiona

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book Other Question

Cant figure out this word problem, any help would be nice.

Jake can cut and split a cord of firewood in 6 fewer hours than Mike. When they work together, it takes them 4 hours. How long would it take each of them to do the job alone? After spending $1550 for tables and $3150 for chairs, a convention center manager finds that 40% of his original budget remains. find the amount that remains.