exam
Maths Puzzle
Numerical Ability
Solve the problem. It takes 11 hours for 6 people to paint a house. How long will it take 2 people to do the job?
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exam Other Question
How do I solve the following system by substitution
5x-2y=-5
y-5x=3
The solution for this system is =>
Solve the system by substitution.
x + y = 12
y = 2x
Solve the system by addition.
5x - 3y = 13
4x - 3y = 11