Josiah needs to fill his 40 liter fish tank with water. he has already put in 34 1/4 liters of water. how many milliliters of water does he need to add?

First you need to know what is in a decimal. It will equal .
Then you need to know how many liters equal a millimeter. liters equal a millimeter, or in other words millimeters equals a liter.
Next you multiply, which you should know if that is then you just fill the multiplication problem with . As in this equation if you multiply to , you'll get . So if you do ... it will change into . If it was in a cubic way it would be . So the answer is , or . But we're not finished until were done subtracting to get out answer.
liters equals millimeters, - ... which is .

Idon’t know the answer to this