At a sale, sarah bought 4 t-shirts and 3 pairs of jeans for $181. jenna bought 1 t-shirt and 2 pairs of jeans for $94. the t-shirts were all the same price and the jeans were all the same price, so the following system of equations represents this situation. determine the best method to solve the system of equations of equations. then solve the system.

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 (%).