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Esme's tire had a leak. It originally held 30 pounds of pressure but was losing 1.8 pounds of pressure each hour. How many pounds of pressure would there be after 7 hours?

A. 12.6
B. 17.4
C. 21
D. 28.2

Respuesta :

Answer:

B

Step-by-step explanation:

7 times 1.8 is 12.6. 30 minus 12.6 is 17.4.

Answer: 17.4

Step-by-step explanation: i did the math lol XD