Olive buys clothes at a store with a total bill of $54.50. She has a 20% off coupon and pays 7.5%
sales tax. She calculates the total cost of the
clothes, using the expression:
(54.50 = 1.20)(1.075).
Explain the error in Olive's reasoning.
Determine the correct expression and explain your
reasoning.

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.