Awaitress earns $6.50 an hour. one day she works 7 hours and earns $23 in tips. how much total money does she earn? anna is selling chocolate bars for $3 each. she started the day with 11 chocolate bars and ended the day with 3 chocolate bars. how much money did she earn from selling chocolate bars? a company runs analytics on their customers and notices that on a particular day, 465 males visited their website; twice as many females as males visited the website. if 1⁄5 of the females that visited the site that day made a purchase, how many females made a purchase on the website that day? a school district is raising money for cancer research. the elementary schools raise $2,300 and the secondary schools raise $6,100. if the school district wants to divide the funds evenly between two different charities, how much money does each charity receive? rachel bought 3 novels and 8 biographies. each book costs $5. how much money did rachel spend on books? lenny gets $60 as a monthly allowance. he spends $20 on a new shirt. if school lunches cost $5, how many school lunches can he buy with the remaining money?