Aferry boat collects 67 people at pier one. at pier two 36 people get on and 23 people get off. at pier three 18 get on and 29 get off. how many people will be on the boat as they head for pier four. somebody

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

Which number produces a rationale number when multiplied by 1/5

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.