Five runners, andy, beth, dale, ella, and tri, are in a one-mile race. tri finished 3 seconds before ella. ella finished 6 seconds after dale. dale finished 7 seconds after andy. andy finished 4 seconds before beth. in which order did the runners finnish the race?

Andy > Beth > Dale > Tri > Ella

Step-by-step explanation:

Let the time taken by Beth to complete the race = x seconds,

Andy finished 4 seconds before Beth,

⇒ Time taken by Andy = (x -4) seconds,

Dale finished 7 seconds after Andy,

⇒ Time taken by Dale = (x-4) + 7 = (x+3) seconds,

Ella finished 6 seconds after Dale.

⇒ Time taken by Ella = (x+3) + 6 = (x+9) seconds,

Tri finished 3 seconds before Ella,

⇒ Time taken by Tri = (x+9) - 3 = (x+6) seconds,

Since, x - 4 < x < x + 3 < x + 6 < x + 9

Thus, the increasing order of time taken by them,

Andy < Beth < Dale < Tri < Ella,

The one who takes less time is the winner,

Hence, the order of finishing the race is,

Andy > Beth > Dale > Tri > Ella

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

x + 4/7

step-by-step explanation:

use cymath