Two cars, A and B, 100 miled apart, move toward each other. Car A coers 0.7 mile in the first minute, and then moves with an average speed of 0.8 mile per minute. Car B covers 0.6 mile in the first minute, and then moves with an average speed of 0.7 mile per minute. How many miles apart are the cars after 10 minutes?

a. 85.2
b. 14.8
c. 83.7
d. 16.3

Question

Two cars, A and B, 100 miled apart, move toward each other. Car A coers 0.7 mile in the first minute, and then moves with an average speed of 0.8 mile per minute. Car B covers 0.6 mile in the first minute, and then moves with an average speed of 0.7 mile per minute. How many miles apart are the cars after 10 minutes?

a. 85.2
b. 14.8
c. 83.7
d. 16.3

anonymous · Answer

83.7 miles

anonymous · Answer

Cars are 98.7 miles apart after 1 minute. Car A travels .8 *10 miles while carB travels .7 * 10 miles for a total of 15 miles in 10 minutes. 98.7-15 = 83.3 miles.