exam Maths Puzzle Numerical Ability

Ozark furniture company can obtain at most 3000 board feet of maple lumber for making its classic and modern maple rocking chairs. A classic maple rocker requires 15 board feet of

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exam Other Question
solve for x and y using three different methods, substitution, addition and graphing x-y=12
2x+y=3



Substitution

x=y+12
2(y+12)+y=3
2y+24+y=3
3y=3
y=1 Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.

root ( 3, 270a^7b^5 ) / root ( 3, 10a^5b^4 )