A group of 6 friends goes out to dinner, and each person orders an appetizer and a main dish. Each appetizer is $6.95, and the total bill is $117.
How could one of the group members correctly determine the cost of each main dish?
O Divide $117 by 6 to get $19.50. Then, subtract the cost of the appetizer, $6.95, to get $12.55.
O Add the cost of the appetizer, $6.95, to $117 to get $123.95. Then, divide by 6 to get about $20.66.
O Divide $117 by 6 to get $19.50. Then, add the cost of the appetizer, $6.95, to get $26.45.
O Subtract the cost of the appetizer, $6.95, from $117 to get $110.05. Then, divide by 6 to get about $18.34.