Ricardo has 18 purple grapes and 14 green grapes. He will give half of these grapes to his brother. Which equation can be used to find B, the number of grapes he will give to his brother?

Asap will give brainliest and a lot of points

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

Can someone tell me if this is perpendicular? !