The number of customers at JJ’s Hair Salon in February represented a 15% decrease from the number of customers in January. A. Write an expression to represent the number of customers in February, using the variable j to represent the number of customers in January.

B. Simplify the expression you wrote for part A to a single term.

C. Using your answer from part B, explain, in words, how the number of customers in February is directly related to the number of customers in January, as a percent.