Question

A Walmart truck driver estimates that it will take him 12 hours to drive 1152 km. After 5 hours, he has driven 520 km. (a) According to his original estimate, how far would he drive in 1 hour? Show your number sentence and solution. (b)Is he on schedule to arrive on time? Use a UNIT RATE to explain your reasoning.

Answer 1

Yes, he will be there on time

Explanation:

Based on his original estimate - divide miles by hours

1152/12 = 96 km/hour

Based on his actual time milage - divide miles by hours

520/5 = 104 KM/hour

Yes, he is driving faster than he estimated.