2 question

Which expression represents 92 decreased by an unknown number?

A. 92 : z

B. 92 + z

C. 92 z

D. 92 - z

Christian purchased a brand new shirt for his birthday. The shirt was originally $50 but Christian only paid $30. What was the percent of change (Precent Decrease proportion)

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A dress regularly sells for $130. The sale price is $84. Find the percent decrease of the sale price from the regular price.

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