exam
Maths Puzzle
Numerical Ability
I cannot figure out the restrictions, i am completely confused!!
6/x+3-5/x-2=-20/x^2+x-6
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exam Other Question
Lost again on a worksheet. The question is:
A vat contains 100 gallons of a 50% brine solution. What is the greatest amount of water that can be added if the salt content cannot drop below 25%.
Multiply.
(8 + sqrt (3)) (8 - sqrt (3))