Unit Pricing Chapter 1
? Wer is a self-employed sheet metal worker. He purchases 25 sheets of aluminum
that measure 4 feet by 8 feet. The cost is $4000.00 before tnx and shipping
a) How much does I sheet cost?
b) What is the price per square foot?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625