How long will it take a car to travel a distance of 180 miles at a constant rate of 60 miles per hour?

It will take 3 hours

Speed= Distance divided by time

You have speed and distance so you change it to

Time= Distance divided by speed

180 divided by 60=3

So 3 hours

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true