layla2088 layla2088
  • 18-03-2019
  • Mathematics
contestada

Can someone help me please?

Can someone help me please class=

Respuesta :

lastbenchstudent
lastbenchstudent lastbenchstudent
  • 18-03-2019

(a)

S(x) = 13x/100 + 400

(b)

S(9000) = 13 ×9000/100 + 400

= 1170 +400 = 1570

it means he earns $ 1170 as commision on sales of $ 9000

total he earns $1570

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