Answer: $35.75
Step-by-step explanation:
1) $25 for the manicure
2) $25*(0.20) = $5 for the tip
3) $5.75 for the tip
$25 + $5 + $5.75 for the total
$35.75 total
I think it’s 90 just add them up the subtract 180
If I understand your question well, I suppose you mean

August 22, September 22, October 22, November 22
3 Months later would be November 22