HELP ME PLEASE ?!

A car traveled 60 km in 2 hours, 84 km in the next 1 hour, and then 68km in 2 hours before reaching its destination. What was the cars average speed? Rounded to the nearest whole number ?
212 km/hr
42 km/hr
148 km/hr
1060 km/hr

Question

HELP ME PLEASE ?!

A car traveled 60 km in 2 hours, 84 km in the next 1 hour, and then 68km  in 2 hours before reaching its destination. What was the cars average speed? Rounded to the nearest whole number ?
212 km/hr
42 km/hr
148 km/hr 
1060 km/hr

anonymous · Answer

A river current has a velocity of 5 km/h relative to the shore, and a boat moves in the same directions as the current at 5 km/h relative tot he river. How can the velocity of the boat relative to the shore be calculated?

by subtracting 
by dividing
by multiplying
by adding

anonymous · Answer

by adding........