She should budget for $243.33.
Given that she spent $50 on gas this month. Now predicted spent of gas next month is $50 × 1.08
Total Spend is the total amount spent for the whole data set, excluding any filters. Predicted spend tier is a forecast of your clients' future spending potential.
Predicted spent of gases for the four months will be as given below:
$50 ×1.08
$50 × 1.08^2
$50 × 1.08^3
$50 × 1.08^4
Total spent for the four months is computed below:
[tex]Total Spent = $50 (1.08 + 1.08^2 + 1.08^3 + 1.08^4) \\ \\ = $50 * (4.8666) \\ \\ \\ =$243.33[/tex]
Hence, if lessons begin next month and last four months, she should budget $243.33 for gas.
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