Last Month a Store Sold 4 Times as Many Tapes

question 9

Multiple Choice

Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?

• A) 288
• B) 360
• C) 90
• D) 20

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Definitions:

Collision Theory

Collision theory explains how chemical reactions occur and why reaction rates differ for different reactions. It posits that for a reaction to occur, reactant particles must collide with sufficient energy and proper orientation.

Product Formation

The process in which chemical reactants transform into products in a chemical reaction.

Reactant Particles

Particles of substances that interact in a chemical reaction, leading to the formation of products.

Reaction Time

The duration between the start of a stimulus and the initiation of a response, or the time taken for a chemical reaction to occur.