The cost of building a airplane with 200 seats is about 100million. if the cost of dollars, c, is proportional to the number of seats, s, what equation can be used to determine the cost, in millions of dollars to build an airplane with any number of seats

Equation is  

Step-by-step explanation:

Number of seats = 200

Cost of building a airplane with 200 seats = 100 million

As cost of dollars,c, is proportional to the number of seats,s,

where k is any constant.

Put

Now put in

So, the equation which can be used to determine the cost,in millions of dollars to build an airplane with any number of seats is

your answer is a

step-by-step explanation:

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