exam
Maths Puzzle
Numerical Ability
solve
x^2-9x-4=6
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exam Other Question
Solve the following system of equations for the unknown variables.
2x + y = 17
y + z = 6
x – z = 7
Here is the problem:
A rancher has to mix three types of feed. The table below gives the amounts of nutrients contained in each 100-pound bag of grain:
Grain I has 10 lb