It is 3 - kilometer hike to river pj walks for 500 meters. then he walks another 1,050 meters. how many more kilometers must pj hike to reach the river?

1 kilometer = 1000 meters
500+1050 =1550
3 kilometers = 3000 meters 
3000 - 1550 = 1450 

so 1.45 kilometers

32

step-by-step explanation:

these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.