5. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.5.010. 2/4 Submissions Used MY NOTES Minimizing Packaging Costs What are the dimensions of a closed rectangular box that has a square cross section, a capacity of 125 in.", and is constructed using the least amount of material? (Round your answers to two decimal places.) X X in V E in Need Help? Read It7. [0.51\" Points] DETAILS PREVIOUS ANSWERS TANAPCALC1O 4.5.018. H4 Submissions Used MY NOTES Designing a Norman Window A Norman window has the shape of a rectangle surmounted by a semicircle. Find the dimensions of a Norman window of perimeter 21 ft that will admit the greatest possible amount of light. (Round your answers to two decimal places.) iii. :lft Need Help? x Y a. [0331\" Points] PREVIOUS ANSWERS TANAPCALC10 4.5.021. 114 SubmiSSIons Used Charter Revenue The owner of a luxury motor yacht that sails among the 4000 Greek islands charges S320fpersonfday it exactly 20 people sign up for the cruise. However, if more than 20 people sign up (up to the maximum capacity of 100) for the cruise, then each fare is reduced by S4 for each additional passenger. Assuming at least 2-0 people sign up for the cruise, determine how many passengers will result in the maximum revenue for the owner of the yacht. What is the maximum revenue? $ |:| What would be the farefpassenger in this case? [Round your answer to the nearest dollar.) E dollars per passenger Need Help? 9. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.5.023. 2/4 Submissions Used MY NOTES Optimal Speed of a Truck A truck gets 700/x miles per gallon (mpg) when driven at a constant speed of x mph, where 40 S x $ 80. If the price of fuel is $2.80/gal and the driver is paid $10/hr, at what speed is it most economical for the trucker to drive? (Round your answer to two decimal places.) mi/h Need Help? Read It