How do you write 50% as a decimal?

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

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b