4(x− 1) = 1 − (3 − x)
c/3+7=15
work out 4 1/20 as a decimal
if x+12%of x = 545,find x
how to calculate vat returns for hotel business
1/a-1/b=1/c
rearrange the fomulae so a is the subject
8x
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3x cubed - 4x squared
maximize z=x+5y 2y+7x\ge20 6y+x\ge10 subject to 2y+2x\ge10 x\ge0 y\ge0
Sam has some marbles, when he can easily group his marbles into groups of 5's and 8's, however when he groups his marbles into gro...