Answer:
3.58
Step-by-step explanation:
You must add up all of the numbers which will get you 17.9
Then divide 17.9 by the total amount of numbers (5) = 3.58
20 total
6 have average of 5 years
6 x 5 = 30
20-6 = 14
14 have average of 8 years
14 x 8 = 112
112 + 30 = 142
142 / 20 = 7.1 years
Answer:
d=8km
Step-by-step explanation:
explanation is in the image above
Answer:
Answer Below
Step-by-step explanation:
a. 2L+2W≥40
thats equal to 12+2W≥40 since it says the length is 6
That means 2W≥28
That means width ≥ 14
so the width can be 14 or greater
b. Smallest possible width is 14 because the inequality
