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Suppose Susan Can Wash Three Windows Per Hour or She

question 97

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Suppose Susan can wash three windows per hour or she can iron six shirts per hour.Paul can wash two windows per hour or he can iron five shirts per hour.


Definitions:

Sodium Sulfate

An inorganic salt used in detergents, paper manufacturing, and glass production, known chemically as Na2SO4.

Atoms

Atoms are the basic units of matter and the defining structure of elements, consisting of a nucleus surrounded by electrons, and classified by the number of protons they contain.

Washing Detergent

A chemical substance used to break up and remove dirt and grease from fabrics, commonly in the form of powder or liquid.

Calcium Nitrate

An inorganic compound used as a nitrogen fertilizer in agriculture and also in waste water pre-conditioning for odor emission prevention.

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