ANSWER: 8
Step-by-step explanation:
Stephen reads 278 pages in 7 weeks/39 pages each week.
Alice reads 217 pages in 7 weeks/ 31 pages each week.
39-31 because it has asked for each week.
39-31= 8
Answer:
The answer is , The arrows should start at zero .
x = - 1
Given
9 = - x + 8 ( subtract 8 from both sides )
1 = - x ( multiply both sides by - 1 )
- 1 = x ⇒ x = - 1