Question

kevin ran 3 miles less than steve ran .the sum of their distance is 21 miles.how far did steve run? the domain of the solution (0,10.5,12,18)
uses every step

Answer 1

K= S-3
K+S=21

Answer 2

where did u get k

Answer 3

k stands for kevin

Answer 4

he ran 3 miles less than steve

Answer 5

ok but i have to use all the steps
1.define the varbials
2.write algebraic expression for the distance each person ran
3.write an equation that can help u solve the problem
4.use the given replacement sets to solve the equation
5.check your answer

Answer 6

1. Variable K and S (K= Kevin, S=Steve)
2. I did that
3.

Answer 7

If you add both equations together you can solve them.

K = S-3
K = -S +21 +
---------------
2K = 18
K = 9


9 = S - 3
S =12

Answer 8

but it needs to be 21 not 12

Answer 9

12+9 = 21