measure

What is the weight of a liter of water expressed in kilograms? the answer is 1 kilogram

There are two containers. One holds exactly 7 quarts and the other holds exactly 9 quarts. There are no markings on the containers that allow you to know when they contain one, two, three, four, five, six or eight quarts. You have a tub full of water and you can fill and empty the 7 and 9 quart...

Before you is a 3-quart container, a 5-quart container and a sink full of water. There are no markings on either container to show how many quarts are in each one. All you know is that when the 3-quart container is full, it contains three quarts. You also know that when the 5-quart container is...