Arelay race covers 1 1/2 miles, and each runner on a team will run 1/4 of a mile. how many runners are needed for a team?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Solve: 3x+y=6 4x-2y=18 show all work !

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?