Answer:
21
Step-by-step explanation:
21
Answer:
14/15
Step-by-step explanation:
This is because 8/15 and since you need to find the least common factor which is 15, multiply 3 times 5 and 3 times 2 which is 6/15 and 8/15+6/15=14/15
Answer:
Step-by-step explanation:
d
Given:
The cost to install x number of central air conditioning units for a company is given by the function

To find:
The cost to install 45 air conditioners.
Solution:
We have,

Putting x=45, we get





Therefore, the cost to install 45 air conditioners is $60433.33.