The marketing department of a company has determined that if it spends x thousands of dollars on radio advertisements and y thousand dollars on newspaper advertisements, the company's revenue (in thousands of dollars) will be R ( x , y ) = − 0.06 x 2 − 150 y 2 + 2 x + 2 y + 4 x y How much money should this company spend on radio advertisements and newspaper advertisements to maximize its revenue?

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

step-by-step explanation:

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191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: