When (2x-20)＋86＝0
2x-20＝-86
2x＝-46
x＝-23
B. I believe I just wanna get some points
You can make it with 10 because 10%times 5% is 50%
The number that was left out is 70.
<h3>What is the number that was left out?</h3>
Average is the sum of a set of numbers divided by the total numbers in the data set.
Average = sum of numbers / total numbers
- Sum of numbers when there are 8 numbers = 56 x 8 = 448
- Sum of numbers when there are 7 numbers = 54 x 7 = 378
- Difference = 448 - 378 = 70
To learn more about average, please check: brainly.com/question/25842202
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Answer:
Third answer
Step-by-step explanation:
1 x 7 = 7
36 x 7 = 252
