James drives a distance of 320 miles in 4 hours. What was his speed? A. 80 mi/min
B. 80 mi/hr²
C. 80 km/hr
D. 80 mi/hr

D

Step-by-step explanation:

because 320/4 = 80 mi/hr because it can not km or min and hr^2 would not make any sense

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.