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If you add 4+5+7 = 16, you can consider that Frank gets 4/16 of the sweets, Mary gets 5/16 and Seth gets 7/16. This because for every 4 sweets Frank gets, Mary gets 5 and Seth gets 7.

If there are ...

(Much easier to explain in conversation and with drawings): But, 

An application of the quotient rule, stating that for f(x)=a(x)/b(x), f'(x) = a'(x)b(x) - a(x)b'(x) all over [b(x))]^2 Here, a(x) =...

Before tackling such a question, we should consider the context in which Sophocles was writing, and in which his play is set. Typically in fifth-century Athens, a mention of Thebes would be met with hosti...

What we first recognise about Tacitus and his characters is that, in spite of his notorious claim “consilium mihi pauca […] tradere […] sina ira et studio”, “my aim is to relate a few accounts without ang...

so step 1) remove the denominator by multiplying (4-a) by p. Therefore obtaining p(4-a) = 3a+5. step 2) multiply out to get 4p-ap = 3a+5 step 3) have all the a's on one side, and non a's on other side. th...