Two cars start at the same time, but travel in opposite directions. One car's average speed is 80 miles per hour (mph). At the end of 4 hours, the two cars are 520 miles apart. Find the average speed in mph of the other car. (Enter an exact number.

50 mph

Step-by-step explanation:

80 mph x 4 = 320 miles. so the first car went 320 miles

520 miles apart- 320 = 200 I subtracted the 320 miles so i can figure out how far the other car went.

200 / 4 hours = 50 mph

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.