It used to take Lizzy 11 minutes to run a mile. Now she runs the mile in 8 minutes. What is the percent of increase in her speed? Round to the nearest whole percent

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss

I’m not good at math can i have ? ?