The total revenue R (in dollars) is directly proportional to the number of units sold x. When 500 units are sold, the total revenue is $4825. Find a mathematical model that relates the total revenue R to the number of units sold x.

Clifland

Clifland

Answered question

2020-10-23

The total revenue R (in dollars) is directly proportional to the number of units sold x. When 500 units are sold, the total revenue is $4825. Find a mathematical model that relates the total revenue R to the number of units sold x.

Answer & Explanation

krolaniaN

krolaniaN

Skilled2020-10-24Added 86 answers

Use the direct variation equation:
R=kx
When x=500, R=$4825 so we can solve for k:
4825=k(500)
4825/500=k
9.65=k
So, the mathematical model is:
R=9.65x

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