Answer:
51/56
Step-by-step explanation:
When dividing two fractions, you can get the same result by multiplying the first fraction by the reciprocal of the second fraction.
So,
17/28 ➗ 2/3 can be rewritten as:
17/28 ❌ 3/2
Then, simply multiply the numerators and the denominators together.
17*3=51
28*2=56
So, the answer is 51/56.
This fraction is already in its simplest form, so it cannot be reduced.
Given:
The mean age of 5 people in a room is 26 years.
A person enters the room. The mean age is now 33.
To find:
The age of the person who entered the room.
Solution:
Formula for mean:

The mean age of 5 people in a room is 26 years.



The mean age is now 33. It means, the mean age of 6 people is 33.



Now, the age of the person who entered the room is
Required age = Sum of ages of 6 people - Sum of ages of 5 people
= 
= 
Therefore, the age of the person who entered the room is 68 years.
Answer:
I think it should be 56
Answer:
Step-by-step explanation:
Quadrilateral ABCD is parallelogram, because opposite sides are congruent and adjacent sides are not perpendicular.