Answer:4
Step-by-step explanation: 77 in total
subtract 77 from 1 to get 76, multiplied by 4 would get you 304. and how many times would 77 go into 304. divide it from 77 and you will get 4.
Answer:
The result will be inaccurate.
Step-by-step explanation:
A landscaper wants to find the answer to the question “How much time do people in Raleigh, North Carolina, spend doing yard work in one week?”
He asks the owners of all 120 houses in a Raleigh neighborhood.
The results of such a survey can never be accurate.
Firstly, the sample is not random as the person selected all the 120 houses in the neighborhood.
Secondly, few samples do not represent a large population. The city must have many lawns and the lawns of a single area does not denote the lawns of the entire city.
So, the results will be inaccurate.
For a non-resident:

For a resident:

We want to know the number of days
such that the two costs are equal ie 
To do this set the two costs equal to each other:


And solve for d:




The costs will be equal when a resident and a non-resident each use the beach for 12 days.
84 times 2 equals 168 in multiplication
Answer:
280
Step-by-step explanation:
<u>Change percentage into decimal:</u>
80% = 0.80
<u>Find 80% of 350:</u>
350 x 0.80 = 280