Concept explainers
Advertising. In 2014, advertisers worldwide spent $16.1 billion on social-network advertising. This was a 45.3% increase over the amount spent in 2013. How much was spent in 2013?
Data: cmocouncil.org
To calculate: The mathematical equation of the statement, “In
Answer to Problem 1RVS
Solution:
The mathematical model is
Explanation of Solution
Given information:
The provided statement,
“In 2014, advertisers worldwide spent $16.1 billion on social-networking advertising. This was a 45.3% increase over the amount spent in 2013.”
Formula used:
Percentage formula.,
Calculation:
Consider the statement provided.
Therefore, the amount increased in
Consider that x billion dollars were spent in 2013.
Therefore, the mathematical model can be represented as mentioned below.
Take the common factor out and simplify for x.
Hence, the mathematical model is
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Chapter 6 Solutions
Elementary and Intermediate Algebra - With Access
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