Astudy of 33,043 infants in italy was conducted to find a link between heart rhythm abnormality and sudden infant death syndrome. (source: new england journal of medicine) the population is all infants.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?

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?