Aldo bought 20 pounds of rice for $12. How many pounds of rice did he get per dollar

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.