Acookie factory uses 1/5 of a bag of flour in each batch of cookies. the factory used 3/5 of a bag of flour yesterday. how many batches of cookies did the factory make?

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Three times the sum of a number and seven is negative thirty-six. what is the number?