Loren drove 200 miles at a certain rate, and his wife, lois, drove 100 miles at a rate 10 mph slower. if loren had driven for the entire trip, they would have arrived 30 minutes sooner. what was loren's rate? 45 mph 50 mph 55 mph

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).