210% of what amount is 1,732.5?

A company that makes games, sets a sales target of $450,000 per year for each of their sales people. If Kristen, an excellent salesperson achieved 290% of her target this year, calculate the amount of sales she made.

Sarah just received the first cheque from her salary and took her family out to dinner to celebrate. The waiter who was serving at the restaurant was very hospitable so she left the waiter a tip of 10.00% on the bill amount of $173.80.

a. Calculate the amount of tip that the waiter received from Sarah.

b. If the tip was 1.00% of Sarah's monthly salary, calculate her monthly salary.