Solve the system algebraically.

6x4y=	50
5x+7y=	41

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Part 1

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A.The solution is

x=enter your response here

and

y=enter your response here.

(Simplify your answer.)

B.There are infinitely many solutions of the form

x=enter your response here

and

y=r.

(Simplify your answer. Type an expression using r as the variable.)

C.

There is no solution.

Question 2

The demand function for a manufacturer's product is

p=f(q)=0.19q+418,

where

p

is the price (in dollars) per unit when

q

units are demanded (per day). Find the level of production that maximizes the manufacturer's total revenue and determine this revenue.