Joan works on commission for a furniture store. She gets a base pay of $80 a day plus 5 percent of the value of any merchandise she sells that exceeds a total of $400. Joan wrote the expression 400 + 0.05(t – 80), where t represents her sales total in dollars, to compute the total amount of money that she will make. For sales of $475 Joan calculated that she would make $419.75. Explain Joan’s error.
Think carefully and solve the problem. Show or explain the steps you took to find your answer. Label your work.

Question

Joan works on commission for a furniture store. She gets a base pay of $80 a day plus 5 percent of the value of any merchandise she sells that exceeds a total of $400. Joan wrote the expression 400 + 0.05(t – 80), where t represents her sales total in dollars, to compute the total amount of money that she will make. For sales of $475 Joan calculated that she would make $419.75. Explain Joan’s error.
	Think carefully and solve the problem. Show or explain the steps you took to find your answer. Label your work.

anonymous · Answer

Someone please answer or guide me through.