Chris asks…please help math homework i dont get it!plz help u dont have to solve all of them?1. a 60 ml mixture of alcohol and iodine is 2% iodine. how much alcohol must be evaporated away to leave a mixture that is 8% iodine?
2. don has twice as much money in nickels as in dimes. he has 30 coins in all. how many of each coin does he have?
3. Jackie's car radiator has a 9-liter capacity. the radiator contains a solution that is 20% antifreeze. to be safe, she would like the solution to