Find the price before sales tax

The total is more than 100% of the starting amount. Divide the total by that percent, then multiply by 100.

1. The total price of a bike helmet with 5% sales tax is £105.00. What was the price before tax?
2. The total price of a jacket with 5% sales tax is £105.00. What was the price before tax?
3. The total price of a coat with 10% sales tax is £33.00. What was the price before tax?
4. The total price of a lamp with 10% sales tax is £88.00. What was the price before tax?
5. The total price of a bike helmet with 5% sales tax is £21.00. What was the price before tax?
6. The total price of a coat with 8% sales tax is £81.00. What was the price before tax?
7. The total price of a lamp with 10% sales tax is £11.00. What was the price before tax?
8. The total price of a pair of shoes with 8% sales tax is £162.00. What was the price before tax?
9. The total price of a jacket with 9% sales tax is £218.00. What was the price before tax?
10. The total price of a pair of shoes with 7% sales tax is £107.00. What was the price before tax?
11. The total price of a backpack with 9% sales tax is £109.00. What was the price before tax?
12. The total price of a game with 5% sales tax is £147.00. What was the price before tax?
13. The total price of a lamp with 6% sales tax is £318.00. What was the price before tax?
14. The total price of a coat with 10% sales tax is £22.00. What was the price before tax?
15. The total price of a coat with 8% sales tax is £108.00. What was the price before tax?
16. The total price of a bike helmet with 8% sales tax is £405.00. What was the price before tax?
17. The total price of a backpack with 4% sales tax is £520.00. What was the price before tax?
18. The total price of a backpack with 9% sales tax is £654.00. What was the price before tax?
19. The total price of a coat with 8% sales tax is £405.00. What was the price before tax?
20. The total price of a game with 9% sales tax is £109.00. What was the price before tax?