Lisa and John work in different department stores. Lisa earns
a salary of $18,000 per year plu...
Mathematics, 04.04.2020 12:58 tristanthecat
Lisa and John work in different department stores. Lisa earns
a salary of $18,000 per year plus a 2% commission on her sales. John
receives no salary but earns a 6% commission on his sales. For each
person, tell whether annual sales and annual earnings show direct
variation. Justify your answers mathematically. Please show your steps.
Answers: 2
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