A cafeteria charges a fixed price per ounce for the salad bar. A sandwich costs $3.10, and a drink cost $1.75. If a 7-ounce salad and drink cost the same as a 4-ounce salad and a
sandwich, how much does the salad cost per ounce? Pls show work and answer Koop

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Use the graph of the sine function y=2sinθ shown below

Ineed with number 6 , explain how to get 1978