Twice last month judy carter rented a car from a car rental company and traveled around the southwest business. the company rents it's car for a daily fee, plus an additional charge per mile driven. judy recalls that her first trip lasted four days, she drove 450 miles, and the rental cost her $199.50. on her second business trip she drove 200 miles in three days, and paid $129 for the rental. find the daily fee, and find the mileage charge.

X+ y = 5 ; x - y =3 solve using linear combination

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.