Simplify the expression completely (assume it is defined).

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?