In the chemistry lab an experiment requires 500ml of one ingredient to be mixed with 1,000 ml of another. how many liters is the solution

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.