A ×+By=c I think that is the answer
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
Answer:
x=19
Step-by-step explanation:
cross multiply
(−3)(+5)(3+5)=(−3)(+5)⋅2−3
(−3)⋅3=(+5)⋅2
3(−3)=(+5)⋅2
=19
You would have 78,125 dimes after the 7th study session.
Which would equal out to $7,812.50
Answer:
n = 24
Step-by-step explanation:
subtract 12
n/4 = 6
multiply by 4
n = 24