Answer:
2 1/4 times
Step-by-step explanation:
A builder was building a fence. In the moring he worked 2/5 of an hour. In the afternoon he wirked for 9/10 of an hour. how many times as long in the morning did he work in the afternoon
Note that:
1 hour = 60 minutes
In the moring he worked 2/5 of an hour.
= 2/5 × 60 minutes
= 24 minutes
In the afternoon he worked for 9/10 of an hour
Hence:
9/10 × 60 minutes
= 54 minutes
How many times as long in the morning did he work in the afternoon?
This is calculated as number of minutes worked in the afternoon ÷ Number of minutes worked in the morning
= 54 minutes/24 minutes
= 2 6/24
= 2 1/4 times
The answer is 525
2/3 of residential = 350 customers. so you divide 350 by 2. Which is 175. 175•3= 525
Answer:
The percentage is 
Step-by-step explanation:
From the question we are told that
The population mean is 
The standard deviation is 
The percent of people who write this exam obtain scores between 350 and 650
Generally
From the z-table 
and 
=> 
=> 
Therefore the percentage is
Answer:
12
Step-by-step explanation:
If f(x) = 5 - x
Then f(-7) = 5 - (-7)
f(-7) = 5 + 7
f(-7) = 12
No, 17.39% were raised in Minnesota.
You can find this by dividing 40,000,000 by 230,000,000 and then converting to a percent by multiplying by 100.
40,000,000/230,000,000=.1739
.1739 x 100= 17.39%
