Answer: the amount a person pays for gas compared with the number of gallons purchased
Step-by-step explanation:
First number: x = 19
Second number: Y = -5
x + 2y = 9
2x + y = 33
Each pencil cost $2.
Explanation: She had $24 before buying the pencils and after she had $10. 24-10=14 so the total she spent on pencils was $14. She bought 7 pencils so you divide 14 by 7 (14/7=2) which equals 2. So each pencil cost $2.
