exam
Maths Puzzle
Numerical Ability
Am I asking this correctly? The directions say: Use the substitution method to solve the linear system.
Problem:
1. y = x + 2
2x + y = 8
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exam Other Question
Adult tickets for a play cost $8 and child tickets cost $6. If there were 25 people at a performance and the theater collected $188 from ticket sales, how many adults and how many children attended the play?
2 1 1
5 4 1
2 1 1
3 3 _
I am suppose to find the missing number in the second matrix by using row operation.