Acompany has two large computers. the slower computer can send all the company's email in 40 minutes. the faster computer can complete the same job in 10 minutes. if both computers are working together, how long will it take them to do the job?

Need on this geometry question. explain how you did it.

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Twelve less than a number is at most 20