Answer: The number of doughnuts that Teresa has, y, is 2 times the number of doughnuts Thomas has, x.
Step-by-step explanation: If Teresa had 10 doughnuts, Thomas would have 5, and if Thomas had 10 doughnuts, Teresa would have 20.
A) 3y - x = 10 is the correct answer! (I just graphed it on Desmos.com)
D will form a triangle
good luck
