The speed of a boat in still water is 24 mph. It goes 15 miles downstream and comess back in 80 minutes. What is the speed of the stream\

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2