A farmer wants to know how many of his cows have no spots. He has 200 cows total. He takes a random sample of 40 cows. Of these,
1 answer:
You might be interested in
Answer:
The first number is <u>18</u> and the second number is <u>27</u>.
Step-by-step explanation:
Given:
A first number is nine less than a second.
The sum of the numbers is 45.
Now, to find the numbers.
Let the second number be
And the first number be
The sum of the both numbers is 45.
According to question:
⇒
⇒
<em>Adding both sides by 9 we get:</em>
⇒
<em>Dividing both sides by 2 we get:</em>
⇒
<u><em>The second number = 27</em></u>.
Now, to get the first number we put the value of :
Therefore, the first number is 18 and the second number is 27.