A town operates two recycling centers. Each day that Center I is open, 300 lbs. of glass, 200 lbs. of paper, and 100 lbs. of aluminum are deposited there. Each day that Center II is open, 100 lbs.
of glass, 600 lbs. of paper, and 100 lbs. of aluminum are deposited there. The town has
contracted to supply at least 1200 lbs. of glass, 2400 lbs. of paper, and 800 lbs. of aluminum per
week to a salvage company. Supervision and maintenance at Center I costs $40 each day it is
open, and Center II costs $50 each it is open. How many days a week should each center remain
open so as to minimize the total weekly cost for supervision and maintenance, yet allow the
town to fulfill its contract with the salvage company?

Solve 30% of what = 60 step by step

One angle of a linear pair is 10 more than two-thirds the other angle. find the measure of both angles.

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?