Solve the following application involving graphing a linear equation.A women's clothing boutique makes $40 on each sweater sold and $110 on each jacket sold. To cover overhead costs, the boutique must make a total of $4900 on the sale of sweaters and jackets each month. The equation 
models the amount of money that must be made, where x is the number of sweaters sold and y is the number of jackets sold. Use a graph of the equation to estimate the number of sweaters that would need to be sold to make sure the overhead costs are covered if 30 jackets are sold. 
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A. 30 sweaters
B. 40 sweaters
C. 60 sweaters
D. 50 sweaters
Answer: B
Mathematics
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