Three rock climbers started a climb with each person carrying 7.8 kilograms of climbing equipment. a fourth with no equipment joined the group. the group divided the total weight of climbing equipment equally among the four climbers. how much did each climber carry?

What is the average diastolic blood pressure for adults

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

What else equals 42 and 30 for multiply