CORRECT ANSWER GETS 25 BRAINIESTLara and Tim took different routes to travel from Point A to Point C. Lara took the route along A, B, and C. Tim took the route along A, E, D, and C. Their routes with distances and times are shown.Which person's average speed is greater?(science)A) Lara's, because her average speed is twice Tim's average speedB) Lara's, because her average speed is three times Tim's average speedC)Tim's, because his average speed is 0.6 miles/hour greater than Lara's average speedD) Tim's, because his average speed is 0.2 miles/hour greater than Lara's average speed
Accepted Solution
A:
Answer:D (approximately)Step-by-step explanation:In total, Lara walked 6+2=8 miles in 1.5+1=2.5 hours, and thus her average speed was 8/2.5=3.2 miles per hour.Similarly, Tim walked 2+4+6=12 miles in 0.5+1.5+1.5=3.5 hours, and thus his average speed was 12/3.5=3.42 miles per hour.