Part b (4 points): katie selected a pair of shoes for the regular price of $120. after the 20% off discount is applied, what will be the discounted cost of the shoes (before tax)? justify your answer using equations, models, and/or words to explain your mathematical reasoning. i need a model and answer. thx. will medal!

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

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 (%).