What distance will the walker travel if he walks at 3.0 miles per hour for 1 hour and 20 minutes?

The walker travelled 3.6 miles.

Explanation:

d = vt

(v is velocity or speed and t is time, and d is distance.)

d=(3.0 mph)(1.2)

Leave the time in hours, since the unit for the speed is miles per hour.

d=3.6 miles

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

the bal will not change its velocity.