Cross multiply.
75 / x = 25 / 35
25x = 35(75)
25x = 2625
/25 /25
x = 105
Therefore 105 students liked skating.
Proof:
105 + 35 = 140.
140 * 0.75 = 105
140 * 0.25 = 35
140 (total) split into quarters.
35 + 35 + 35 + 35 = 140
35 + 35 + 35 = 105 (3 quarters liked)
35 = 35 (1 quarter disliked)
Answer:
45ml4 544544554n
;lolokStep-by-step explanation:
To set up a venn diagram, you need the following details below
- Set A = ( 3, 6, 9, 12, 15 )
- Set B = ( 1, 3, 5, 7, 9. 11, 13, 15 )
- A∩B = ( 3, 9 )
- U = (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16)
<h3>Meaning of a set and a venn diagram</h3>
A set is the orderly collection of elements, material, numbers and items that satisfy a condition.
A set could be finite or infinite.
A venn diagram is a diagramatic representation of a set using circles. it mostly represents a finite set.
In conclusion, you can use the details above to draw your venn diagram.
Learn more about venn diagrams : brainly.com/question/20795347
#SPJ1
Answer:
392
Step-by-step explanation:
$72 - $30 = $42
It increased $42.
Now take this number and divide by the original number (first):
42 ÷ 30
This is 1.4, let's convert this to a percentage.
We now times it by 100
1.4 × 100
The answer is 140%
