Answer :
Answer: The contestant weighed 73.1 pounds when the show began.
Step-by-step explanation:
Given: A contestant lost 78.8 pounds over a period of two months.
At the end of the two month period, he weighed 194.3 pounds.
Initial weight = weight at the end of the two month period + weight lost by contestant
= 194.3 +78.8 pounds
= 273.1 pounds
Hence, the contestant weighed 73.1 pounds when the show began.