Home > PC > Chapter 2 > Lesson 2.3.4 > Problem 2-113
2-113.
How far away is John from North now?
What expression describes his distance?
−60 + 40t
Follow the example for John's distance.
Use the distance formula.
t = 1.2 hours or at 1:12 p.m; The distance between them is 20 miles.