Answer:
x
Step-by-step explanation:
What do you need help with?
Answer:
The fractional part of the original pizza is 
Step-by-step explanation:
Let
x-----> the original pizza (complete pizza)
we know that
Half a pizza represent ------> 
Divide half a pizza by three people

therefore
The fractional part of the original pizza is 
Answer: -38
Step-by-step explanation:
First he would have to walk back 19 steps to get back to his orginal position, then he would have to further go back another 19 steps.
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