Kristi and Rebecca sell lemonade on the corner. It costs them 7 cents to make each cup. On a certain day, they sell 40 cups. Their producer surplus for that day amounts to $19.20. Kristi & Rebecca sold each cup for:
A. 15 cents
B. 30 cents
C. 45 cents
D. 55 cents

answer; ///i believe the answer is (d) procedures to control the quailty of your product;

odd consecutive integers are odd integers that follow each other. they have a difference of 2 between every two numbers. if n is an odd integer, then n, n+2, n+4 and n+6 will be odd consecutive integers. the first number in the pattern is always the variable on its own or in this case, "n". examples.