Akeyboard that cost $475 is marked down 15% for a sale. how much is the savings.

Steps:
find 15% (since discount is how much you saved)

percent=parts out of 100
15%=15/100=1.5/10=0.15/1=0.15
'of' means multiply
0.15 times 475
71.25
savings=how much you saved
you saved 15%
saved=$71.25

Delta airlines or untied airlines

It is 5.8 you add all of the up to equat 180 then solve the equation