2 d) d) What is her salary per month after the raise? 3. In 1980 a person had a salary of $225 per week. In 2004 this person's salary was $770 per week. Find the percent of increase in this persons' salary, round to the nearest tenth of a percent. m 4. You want to buy something which sells for $29.59. It is on sale this week for 25% off and the tax rate in your town is 7%. How much will this item cost? Be sure to show all steps . + 5. If you borrow $1200 for two years at 7.5% simple interest, how much interest is there at the end of two years? Include any formulas you use