Chang fell asleep at 3:25 p.m. He woke up after 1 hour and 15 minutes. What time did Chang wake up?

The average American produces about 1,600 pounds of paper trash per year (365 days). How many pounds of paper trash does the average American produce each day? (Round to the nearest tenth of a pound.)

The population of the United States is approximately 300,000,000 people. Find the population in 50 years if k=0.015. Round to the nearest million.

TRYIT:: 9.116 Yesenia is 168 miles from Chicago. If she needs to be in Chicago in 3 hours, at what rate does she need to drive?

An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor earthquake measuring 3.1 on the Richter scale was felt in parts of Pennsylvania. How many times more intense was the Japanese earthquake than the Pennsylvania earthquake?

A scientist places 50 cells in a petri dish. Every hour, the population increases by 1.5%. What will the cell count be after 1 day?

The flight distance from New York City to London is 5,586 kilometers. Convert the distance to miles.