Cassie purchased a purse for $115. She decided to sell the purse for $166.75 to make a profit. What was Cassie's markup percent?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Jack brought 12 pet monkeys. if each monkey cost $45.99, how much money did he spend in all?

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.