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


As Jhalil and Joman practice for the SAT, their scores on practice tests rise. Jhalil's current score is , and it is rising by points per week. On the other hand, Joman's current score is and is growing by points per week.

  1. When will Joman's score catch up to Jhalil's?

  2. If the SAT test is in weeks, who will score highest?

Write two equations representing their scores.
Jhalil: time (weeks)
Joman: score (points)

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

Substitute for in both the equations and compare the outcomes.