exam Maths Puzzle Numerical Ability

Dad is 4 times as old as his son Jim. In ten years, Dads age will be twenty years more than twice Jims age. Find thier age now?



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exam Other Question

I have a triangular prism with these dimensions: base width of 8, prism height of 9 and a base depth of 6. I am to use the pythagorean theorem to find the slant height of the trian I have tried to work this problem.
(-2x) 3rd power times (-x squared)
I got -2x times -2x times -2x times x squared=-8x fifth power
Is that correct?