Cheese, bologna, and peanut butter sandwiches were made for a picnic in a ratio of 1 to 7 to 8. If a total of 80 sandwiches were made, how many bologna sandwiches
were made?	Choose the correct choice:
A) 15 B) 30 C) 35 D) 42 E) 48

Rationale: for deciding such task we should calculate all parts 1 + 7 + 8 = 16 parts and we should calculate how many sandwiches holds 1 part : 80 / 16 = 5 sandwiches in one part for bologna we have 7 parts so : 7 * 5 = 35 answer is c
Answer: C