Percentage of a number is the ratio of it represented as fraction of hundred.
- A) The total number of students were surveyed, is 50.
- B) The number of student who wants to learn Spanish is 18.
What is percentage of a number?
Percentage of a number is the ratio of it represented as fraction of hundred.
Given information-
The number of student who wants to learn French is 12.
Total percentage of student who wants to learn Spanish is 36%.
Total percentage of student who wants to learn French is 24%.
Total percentage of student who wants to learn German is 18%.
Total percentage of student who wants to learn other language is 22%.
- A) Total number of students were surveyed-
As, total percentage of student who wants to learn French is 24% and The number of student who wants to learn French is 12.
Thus the 24 percent of the total student is 12. Suppose the total number of student is [tex]x[/tex] Therefore.
[tex]\begin{aligned}\\\dfrac{24x}{100}&=12\\ x&=\dfrac{12\times100}{24} \\x&=50\\\end[/tex]
Hence the total number of students were surveyed, is 50.
- B) Total number of student who wants to learn Spanish-
As total percentage of student who wants to learn Spanish is 36% and total number of students surveyed, is 50. Thus the 36 percent of 50 is,
[tex]=\dfrac{36\times50}{100} \\=18[/tex]
Hence the number of student who wants to learn Spanish is 18.
Thus,
- A) The total number of students were surveyed, is 50.
- B) The number of student who wants to learn Spanish is 18.
Learn more about the percentage here;
https://brainly.com/question/1691136
