Number of girls at the time of the assembly started = w
Number of girls left = 40% of w
Remaining girls = 
Now, the ratio of the number of boys to girls became 3 to 4.
Let n be the number of boys.
Then, 
Or, 
20n = 9w
or, n = 
Total number of boys and girls = 
Hence, the total number of boys and girs is 
Answer: The correct order of the options is 4, 3, 2, 1 and 5.
Explanation:
The steps for analyzing mathematical models are,
To analyzing a mathematical model first we have to defined the problem and identify parameters.
The second step is, defined the data needed. it means determine that which type of data is required according to the problem and parameters and neglect the relevant data.
The third step is collect or gather needed data. To solve the defined problem we need the related data.
The fourth step is arrange or analyse the data according to the requirements.
THe fifth step is after analysing the data draw a reasonable conclusion.
Therefore, the correct order of the options is 4, 3, 2, 1 and 5.
The correct choice is A. When something is being increased by a percentage, you add the percentage to 100%, so you add 35% to 100% to make a decimal of 1.35. Every year the initial value of 590 will be increased by 35%. so the correct choice is A.
Answer:
It can't be a kite. A kite has 2 pairs of equal sides.
Step-by-step explanation:
Answer:
Algebra
Step-by-step explanation:
