Question

Miss Faiza completes a journey in 3 stages. in stage 1, she drives at a speed of 40km/hr for 45 minutes. in stage 2, she drives at 60km/hr for 2 hours and 9 minutes. Altogether, over 3 stages, Miss Faiza drives 171.6km in 3 hours and 15 minutes. what is her average speed in km/hr, in stage 3​

Answer 1

Answer:

45+60

=105

=171.6-105

=66.6

the answer is 66.6

Answer 2

ANSWER -- 52.89 km/hr

step of solution = total distance / total time taken

171900m / 11700 s

av. = 14.69

av. = 14.69 ×18/5 km/hr

av == 52.89. km/hr