Answer:
117
Step-by-step explanation:
Make into improper fraction
Now it should look like this: 19/3*109/3= 2071/9
Now divide
2071/9= 230 1/9
230 1/9
Sample means show a large variation because the data set has a large range. When there is a large variation in the data set, the sample means also will have a large variation. Jennie included small values in her sample, while Charles included high values.
Answer: 1000 gallons
Step-by-step explanation:
This situation can be modelled by the following equation:
Since , and , we can rewrite the equation as follows:
Then we have to find :
Hence, 1000 gallons of gasoline that is 7% ethanol must be added.
Obviously, Ali is correct. Khamis did a mistake, he forgot the negative sign of - 5, when he divided b. He should have let - 5b and divided it by - 5 like ali did.
Good Luck