7. [-/1 Points] CRAUDCOLALG6 P.1.EX.009. ASK YOUR TEACHER PRACTICE ANOTHER You receive a raise in your hourly pay from $8.25 per hour to $8.75 per hour. What percent increase in pay does this represent? (Round your answer to two decimal places.) % Need Help? [Emssan Submit Answer 8. [-/1 Points] CRAUDCOLALG6 P.1.EX.010. ASK YOUR TEACHER PRACTICE ANOTHER In a certain country, the number of deaths due to heart disease increased from 245 in one year to 258 in the next year. What percent increase in deaths due to heart disease does this represent? (Round your answer to two decimal places.) % Need Help? Submit Answer 9. [-/2 Points] CRAUDCOLALGS6 P.1.EX.011. ASK YOUR TEACHER PRACTICE ANOTHER Often retailers sell merchandise at a suggested retail price determined by the manufacturer. The trade discount is the percentage discount given to the retailer by the manufacturer. The resulting price is the retailer's net cost and so is called the cost price. For example, if the suggested retail price is $100.00 and the trade discount is 45%, then the cost price is 100.00 45% x 100.00 = 55.00 dollars. (a) If an item has a suggested retail price of $7.99 and the trade discount is 40%, what is the retailer's cost price? (Round your answer to two decimal places.) $ (b) If an item has a cost price of $35.00 and a suggested retail price of $55.00, what trade discount was used? (Round your answer to two decimal places.) %