Answer:
60
Step-by-step explanation:
because half of children is 50. 120÷50=60
Answer:
The first one is x=-y-2z-7
The second one is x=-1/3y + 1/3z + -4/3
The third one is x= 3y + 2z + 17
You wouldn’t because 3 is the base number and cannot be simplified anymore
These | | simple mean absolute value. Absolute value is simply the number positive, for example, the absolute value of -3 is simply 3
