exam
Maths Puzzle
Numerical Ability
tutors can you help please
Solve 4^x-6=16^x
and
e^-2x=0.3
Thank you!!!!!!!!!!!
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exam Other Question
please help me to solve
Pencils cost 25 cents apiece. Pens cost 80 cents apiece. Susan spent $20 for a total of 36 pens and pencils. How many pencils did she buy?
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TO MAKE LOW-FAT COTTAGE, MILK CONTAINING 4%BUTTERFAT IS MIXED WITH 10 GALLONS OF MILK CONTAING 1% BUTTERFAT TO OBTAIN A MIXTURE CONTAINING 2% BUTTERFAT HOW MANY GALLONS OF THE RICH