A town has a population of 2000 and grows at 4.5% every year. To the nearest tenth of a year, how long will it be until the population will reach 3900?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?