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### Time In Exercise 39 of Section $9.3,$ we saw that…

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Problem 69

Average Revenue A company sells two products. The demand functions of the products are given by
$q_{1}=300-2 p_{1} \quad$ and $\quad q_{2}=500-1.2 p_{2}$
where $q_{1}$ units of the first product are demanded at price $p_{1}$ and $q_{2}$ units of the second product are demanded at price $p_{2}$ . The total revenue will be given by
$R=q_{1} p_{1}+q_{2} p_{2}$
Find the average revenue if the price $p_{1}$ varies from $\$ 25$to$\$50$ and the price $p_{2}$ varies from $\$ 50$to$\$75 .$ (Hint: Refer to Exercises $61-64 . )$

$\$ 34,833\$

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