In a school there are 60 teachers and 1200 students
30%of thestudents are bilingual
15% of the teachers are bilingual
how many bilingual students and teachers are there altogether

In total there are 369 bilingual people in the school.

Explanation:

Given:

Number of teachers=60

Number of students=1200

Percentage of students who are bilingual=30%  

Percentage of teachers who are bilingual=15%

To find:

Number of stuents who are bilingual=?

Number teachers who are bilingual=?

Solution:

Now, we know that,  

Total bilingual students and teachers altogether = bilingual students + bilingual teachers

     = 30% of 1200 students + 15% of 60 teachers

     =

     =

     =360+9=369

Hence, in total there are 369 bilingual people in the school.

do i do it on a graph?

step-by-step explanation:

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it