The average of the weights of six people sitting in a boar is 145 pounds. after a seventh person gets into the boat, the average of the weights of all seven people in the boat is 147 pounds. what is the weights ( in pounds ) of the seventh person ?
a) 160, b) 159, c) 155, d) 149, e) 147

What is the answer to |-2x-5|-|-4+8| and x=7

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?