SOLUTION: new york city has received a federal grant of $100 million for improving public transportation.the funds are to be used only for the purchase of new buses,the purchase of new subwa

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Question 623046: new york city has received a federal grant of $100 million for improving public transportation.the funds are to be used only for the purchase of new buses,the purchase of new subway cars, or the repaving of city streets.costs are estimated at $180000 per bus,$180000 per subway car, and $250000 per mile for repaving.city officials want to determine different ways of spending the grant money.
(a) define the decision variables and write the equation which ensures complete expenditure of the federal grant.
(b) if it has been determined that 10 buses and 200 new subway cars will be purchased,how many miles of city streets can be repaved?
(c) if officials wish to spend all of the grant money on one type of improvements, what are the different possibilities?

Answer by mykasha(37) About Me  (Show Source):
You can put this solution on YOUR website!
(a)y=0.18.13
(b)12.315miles
(c)1.1/3