The answer is the second sentence
They have 310 stickers in total
All you do is 2.5 times the number of feet so 2.5x , x is the number of feet
Input: 4y-16+8y=-4 answer: 12y-16=-4 HERE IS YOUR ANSWER
Subtract a number from the next number.
39 - 45 = -6
Answer: B. -6