Question

Louisa needs 3 liters of lemonade and punch for a picnic she has 1800 milliliters of lemonade. How much punch does she need explain how you found your answer

Answer 1

Louisa needs 1.2 liters or 1200 milliliters of lemonade/punch for the picnic.

In a liter, there are 1000 milliliters
In 3 liters, there are 3000 milliliters
Therefore, we can set up an equation to represent how much milliliters Louisa needs.
$3000-1800$
Solve the equation and you should get 1200 milliliters.*

*If you need the number in liters, divide 1200 by 1000 and you should get 1.2 liters