Answer: Total number of pages is <u>125</u>
Step-by-step explanation:
If 3/5 of a book is equal to 75, we can conquer that 1/5 of the book is 25 pages, because 75/3=25.
With this we can do 25 x 5 = 125 total pages.
Answer:
7/15
Step-by-step explanation:
To find the probability the student is a senior
P( senior) = number of seniors / total students
= 14 / ( 14+7+4+5)
= 14/30
= 7/15
<h2>
Answer:</h2>
Step 1: 17 - 9 = 8
Step 2: 8 + 4 = 12
4 more girls came to the park
Hope this helps!!
<h2>- Carmelle -</h2>
Answer:
90 different ways
Step-by-step explanation:
We have a total of 10 members, and we want to find how many groups of 2 members we can have, where the order of each member in the group of 2 is important, so we have a permutation problem.
To solve this problem, we need to calculate a permutation of 10 choose 2.
The formula for a permutation of n choose p is:

So we have:



So there are 90 different ways of choosing a president and a vice-president.
Answer: 4 is lesser than the all of the numbers above it.
Step-by-step explanation: I don’t really understand what you are trying to ask, Maybe re-word what you were trying to say?