Which equations model exponential decay?
1 answer:
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The total expenses of Marco's account are $174. The ending balance is $81. So, the starting balance will be $255.
Option A is correct for starting balance.
Further Explanation on Starting and Ending Balance
Given that Marco’s bank statement says that he has an ending balance of $81. The expenses $ of Marco is given as,
- T-shirt 20
- Gas 22
- Movie 13
- Video game 39
- Jeans 34
- Hat 15
- Books 31
The total expenses can be calculated as given below.
Total Expenses = Sum of all Expenses
Total Expenses = 20+22+13+39+34+15+31
Total Expenses = $174
The starting balance can be calculated as given below.
Starting Balance =
Starting Balance = $ 255.
Hence we can conclude that the starting balance of Marco's account is $255. Option A is correct.
To know more about expenses, follow the link given below.
brainly.com/question/24803457.