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Home > AC > Chapter 8 > Lesson 8.1.4 > Problem 8-39

8-39.

Write two equations representing their scores.
Jhalil: y = 10x + 850 x = time (weeks)
Joman: y = 50x + 570 y = score (points)

Set the two equations equal to each other and solve for x.

Substitute 12 for x in both the equations and compare the outcomes.