Richard walks every day for exercise at a rate of 1 kilometer every 20 minutes.

At this rate, how many meters can Richard walk in 1 hour?

3000 meters

Step-by-step explanation:

1 kilometer = 1000 meters

1 kilometers = every 20 minutes

3× 1000 meters= 20 min ×3

3000 meters = 60 min/ 1 hour

40 minutes

step-by-step explanation:

add the time and multiply by 2

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or