We know that in the aquarium there is 6 less yellow fish. We also know that they take up 40% of the aquarium. We know that the other 60% of the fish tank has to be green fish.
From this we can see that the percentage difference between yellow fish’s 40% and green fish’s 60% is 20% And we also know that green fish has 6 more fish than yellow. So we know that 20% is 6 fish. We can use this data to know workout how many fish green has. The answer has to be 18. Hope this helps and if you get stuck You can comment underneath this and I’ll assist you there :)
Answer:
1. IQ range
2. Frequency
3. Mean
4. Standard deviation and variance
Step-by-step explanation:
To use statistics the researcher must determine the standard deviation, mean and variance. He will need the following to calculate the mean:
1. The IQ score range and the frequency of the range.
To calculate the standard deviation and mean:
1. Need the mean and frequency of the IQ scores
Therefore the 4 things needed is:
1. IQ range
2. Frequency
3. Mean
4. Standard deviation and variance
Answer:
He will need to pay 5.4 Ghana cedis into his educational fund.
Step-by-step explanation:
We need to multiply 4 1/2 by 120 since it is a percentage. We convert 4 1/2 into a decimal which is 4.5. Now, we just need to multiply 120 by 4 1/2 to get an answer of 5.4.
Answer:
x = 4.5
Step-by-step explanation:
Downloading photo math from the app store are wonderful resources when having trouble with math. Hope this helps!