The sum of 13 and twice a number is seven less than six times a number. what is the number

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

Question and answers are in the attached picture. you so much in advance.

How do you find the area of a triangle