I need to know the price after the percentage is added 1. $50 item with 7% tax
2. $75 item with 15% tip
3. $45 item with 8% sales tax and 20% tip
4. What is 3% of 50.
5. $2,500 item with 4.5% commission

1) $53.50

2)$85.10

3) $57.60

4)1.5

4) $2511.25

Step-by-step explanation:

for 1,2,3,5 take the original amount and the percentages to set up something like this

$50X1.07

which gives you the entire answer in a simple step

answer: i think it is (1,-2)