How to work out 12.5% of a number
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Using proportions, it is found that her discount is of $0.29664.
<h3>What is a proportion?</h3>A proportion is a fraction of a total amount.
In this problem, the total amount she spent on gas is given by:
T = $45.23 + $102.34 + $13.67 + $34.56 + $48.72 + $52.12 = $296.64.
Considering that she receives ten cents off per gallon on gas for every $100 she spends, we apply the <em>proportion </em>to find that her discount is given by:
Her discount is of $0.29664.
More can be learned about proportions at brainly.com/question/24372153