How do you turn 0.45 into the simpilest form of a fraction

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?