Stephen spent $4 on milk, $6 on eggs, and $11 on cereal. He wrote the ratio 6
11
to describe some of his purchases. Explain why the ratio is not a fraction.
Mass is a measure of the amount of matter in an object. Mass is usually measured in grams (g) or kilograms (kg). ... An object's mass is constant in all circumstances; contrast this with its weight, a force that depends on gravity. Your mass on the earth and the moon are identical.
