math crossword puzzle

2. positive difference between the estimate and the actual amount
3. amount of money deposited or borrowed
8. two variables change at a constant rate
10. the place where something begins, where it springs into being.
11. negative percent of change
13. an additGravitymount of money charged on items that people buy
14. a rate where the second quantity is 1 unit
15. amount of paid or earned for the use of money
16. price a business pays for goods purchased in bulk from a wholesaler
18. the amount added to the cost price of goods to cover overhead and profit.
20. The selling price is the price a seller charges a buyer for a good or service.

1. a ratio that compares the change in a quantity to the original amount
3. positive percent of change
4. onstant ratio or unit rate of two variable quantities.
5. the relationship between two ratios with a rate or ratio that is not constant
6. an additional amount of money charged on items that people buy
7. also known as a gravity, it is a small amount of money inreturn for a service
9. amount of paid or earned for the use oprincipalnciple
12. is also known as a tip.it is a small amount of money in return for service
17. payment made to an employee or agent
19. payment for a service.