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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.