exam
Maths Puzzle
Numerical Ability
A 30% nickel alloy is to be melted with an 80% nickel alloy. How many grams of each must be used to obtain 50 grams of a 50% nickel alloy?
Read Solution (Total 0)
exam Other Question
please help me with this problem.
x^3/2=10.42
Solve the system of inequalities by graphing the solution region:
{ x+2y<_ 3
2x-3y<_6 }