exam
Maths Puzzle
Numerical Ability
Please help me solve this problem:
9. (10 pts) In a survey of 75 resorts, it was reported that:
34 provided refrigerators in the guest rooms
30 provided laundry services
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exam Other Question
Solve the system of equations.
2x + y = 0
x - 3y + z = 0
3x + y - z = 0
y=x+2
2x+y=11
Could someone please help me?