Answer:
x = 1/7
Step-by-step explanation:

x = 1/7
Answer:each book cost 39 dollars
Step-by-step explanation:
Since she had 16 dollars left over afterwords subtract 16 from 289 which leaves you with 273. then take the 273 and divide by the 7 books she bout whic will become 39 dollars therefore each book cost 39 dollars
Answer:
a
Step-by-step explanation: