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Fernando is starting a new sales job, and needs to decide which of two salary plans to choose from. For plan A, he will earn $100/week plus 15% commission on all sales. For plan B, he will earn $150/week plus 10% commission on all sales.
a. Write an expression for each salary plan if s is Fernando's total weekly sales
b. For what amount of weekly sales us plan B better than plan A?

Respuesta :

a.
A = 100 + 0.15*s
B = 150 + 0.10*s

b.
100+0.15*s < 150+0.10*s
0.15*s < 50+0.10*s
0.05*s < 50
s < 1000
Thus any weekly sales less than $1,000, and plan B would be better.


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