Answer:
11.5
Step-by-step explanation:
Answer:
19.2
Step-by-step explanation:
You get the mean of a set of numbers by adding them and dividing the sum by how many numbers there are. In this case, you don't know what the individual 8 numbers are, but you can find out what they add up to.
Mean = (sum) / 8
17 = (sum) / 8
17 x 8 = sum
136 = sum
Now take out the numbers 9, 11, 20, which reduces the sum by 40. There are 5 numbers left and they add up to 136 - 40 = 96.
The new mean is 96 / 5 = 19.2
multiply 12 and 16 then multiply 8 and 10 then add them up to get 15,360
Answer:
1a) 77 + 84v
1b) 70d + 10m
2a) 96 + 40r
2b) 6p + 8
3a) 27a + 24
3b) 11a + 90
<em>Hope that helps! :)</em>
<em></em>
<em>_Aphrodite</em>
Step-by-step explanation:
