11. Which of the following represents a non-proportional relationship?

Sam gets $15 a week for his allowance. In 4 weeks he has $60.

Sara works on commission. She makes $60 a week plus a
percentage of her total sales.

Rebecca works at a local restaurant as a hostess. She makes $7 an
hour. She worked 4 hours on Saturday and made $28.

Ryan makes $2 per candy bar he sells. He sold 15 candy bars and
made $30.



Answer :

Answer:

  • B) Sara works on commission. She makes $60 a week plus a percentage of her total sales.

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Proportional relationship is represented as:

  • y = kx

Compare the below with this equation and decide

Sam

  • 60 = 15*4 - proportional relationship

Sara

  • 60$ + % of total the form of y = kx + b - non-proportional relationship

Rebecca

  • 28 = 7*4 - proportional relationship

Ryan

  • 30 = 2*15 - proportional relationship