Question

Karina is driving from her house to her cottage. If she drives at 10 kilometers per hour, she will arrive at 6 PM. If she drives at 15 kilometers per hour, she will arrive at 4 PM. How fast must she drive in order to arrive at 5 PM

Answer 1

Answer:

12.5 kilometers per hour

Step-by-step explanation:

$(10+15)/2=25/2=12.5$