B = 20+0.50x is the right answer with b being Bill and x being the number of texts sent
I don't think it's proportional, because in order for a question to be a proportional question has/could be to be like this:
Gasoline costs $2.79 per 2 gallon. How much will it cost for 8 gallon. Then, we cross multiply and all to find the answer.
So make a picture. so i could help u more
Answer:
no
Step-by-step explanation:
Triangles must add up to 180 degrees
First convert all your measurents into inches 600in, 480in,18in then multiply them to get 5184000 cubic inches, convert cubic inches to gallons and you have 22441US gal lqd divide 22441 by 1000 and it will take you 22.441 hours