Answer:
Step-by-step explanation:
Two 1/6 pieces equal 1/3
3. 560%
4. 1/200
5. 360%
6. 42, 35% of 120 is 42.
7. 79.38, approximately 79
8. 79.38, approximately 79
If you need the square root of a number the best thing to do is use a calculator. the numerical method is much too cumbersome. if this doesn't answer your question, post an example
Ok, there is an equation you can use to solve it.
n is a number.
p is also a number, but different to n.
Therefore:
<u></u>
So all together there were 54 girls and 42 boys in the theatre.
54 + 42 = 96
That's 96 children in total. (Answer)
7:9 = 42:54
Answer:
15 boys selected
Step-by-step explanation:
Given
--- The population
--- The sample selected
-- The proportion of boys
Required
The expected number of boys selected
The expected number is calculated by multiplying the sample size by the proportion of boys.
So, we have:
--- approximated