7 pens and 20 pencils because 28 divided by 4 = 7 and 80 divided by 4 = 20
Answer:
Step-by-step explanation:
Craig left his house at noon and drove 50 miles per hour until 3PM. Then he drove the next 5 hours at 70 miles per hour. Calculate the average rate of change for the entire trip.
Answer:
im not sure
Step-by-step explanation: