The bakery manager at the grocery store decides to have a 15% off sale on all bread. You decide to purchase 6 loaves of bread. Let b be the original price of a loaf of bread. Expand the expression 6(b -0.15b). What do the terms of the expansion represent?
Which expression represents the correct expansion?
1) 6b - 0.90b
2) 6b - 0.90
3) 6b + 0.90
4) 6b + 0.90b