BIG IDEAS MATH-

Question

MODELING REAL LIFE You jog 2 kilometers in 12 minutes. Your friend jogs 3 kilometers in 16.5 minutes. Who jogs faster?

Responses

1. You jog faster.
2. Your friend jogs faster.

Question 2

How much sooner will the faster jogger finish a five-kilometer race?

The faster jogger will finish a five-kilometer race minute sooner than the slower jogger.

Skip to navigation

Answer 1

your friend is faster

you take 18 minutes to do 3 km

your friend does 3 km in 16.5 minutes

you jog 1 km in 6 minutes

and 5 k in 30 minutes

your friend jogs 1 km in 5.5 minutes

and 5 k in 27.5 minutes

2 1/2 minutes faster