Use operations of decimal, fraction, and percent numbers to model the following scenarios. in your final answer, include only an equation or proportion modeling the scenario. do not solve the problems.

3. a family dines in a popular franchise restaurant. they plan to use a coupon that will give them a discount of 10% off of their total dinner bill, not including applicable sales tax or their server’s tip. the bill totals $157.30 before tax and tip. what is the new total after the server applies the 10% off coupon?

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.

What is the angle measure, or angle of depression, between this bird and the bird watcher?

Two less than the quotient of a number and four is less than six. i need the inequality. a. x< 32 b.x< -32 c.x> 16 d.x> -16