exam
Maths Puzzle
Numerical Ability
-11<-2c+3<-5
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exam Other Question
Lauren wants to mix 5 liters of 7% milk with skim-milk (0% fat) to profud a mixture of 2 46/47% milk. How much skim-milk should Lauren add?
Help me please!!!
I need to express each difference in simpest form.
((d^(2)+3) / (d^(2) - 2d)) - ((d - 4) / (d))
and
((d^(2)-11) / (d^(2) - 7d +12)) - ((d+1) / (d-4))