Answer:
Yes, her estimate is greater than the actual answer. 120.78/9.9 = 12.2. Since 12.2 (the actual answer) is greater than her estimate of 12, she is correct.
Step-by-step explanation:
See Answer.
Hi there,
- 26.8r - 26.9 = 18.3r + 20.7
- 26.8r - 18.3r = 20.7 + 26.9
Then cellect the like term, and calculate the sum
- 45.1r = 47.6
Divide both sides by -45.1
Here are the answers:
====> r = 1.05543
====> -476/451
====> 1 25/451
Hope this helps :)
Answer: d= -5
Step-by-step explanation:

Subtract 3 from both sides to isolate 1.5d


Now divide by 1.5 to completely isolate d

