Use Two Equations in Two Variables to Solve the Following

question 46

Multiple Choice

Use two equations in two variables to solve the following problem. In a year the number of people dying from cancer was 6 times the number who died from accidents. If the number of deaths from these two causes totaled 280,000, how many people died from each cause?

• A)220,000 died from cancer, 40,000 died from accidents
• B)250,000 died from cancer, 30,000 died from accidents
• C)220,000 died from cancer, 60,000 died from accidents
• D)240,000 died from cancer, 40,000 died from accidents
• E)250,000 died from cancer, 60,000 died from accidents

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Definitions:

Chlorine

A chemical element with symbol Cl and atomic number 17, a reactive halogen that is used as a disinfectant and in the manufacture of a wide range of products.

Sodium

A chemical element with symbol Na and atomic number 11, known for its role in nerve impulse transmission and muscle contraction.

Covalent Compound

A compound in which atoms are held together by covalent bonds; covalent compounds consist of molecules. Compare with ionic compound.

Methane

A colorless, odorless gas, CH4, that is the simplest alkane and a major component of natural gas, contributing to greenhouse gas emissions.