Daryl wants to buy a science book and a math book. The cost of a science book is $8 more than the cost of a math book. The cost of nine math books is the same as the cost of seven science books. What is the cost of each book?

The price of a new video game is $59.69 before tax. allison bought the game for 12% off. she then paid 9.25% sales tax on the discounted price.part a: how much did allison pay in sales tax? show all work and steps in your solution. round your answer to the nearest cent. part b: what is the total amount that allison paid for the video game? show all work and steps in your solution. round your answer to the nearest cent