R = 9 in the equation r(6) = 54. You would divide by 6 on both sides to have r by itself giving you r = 9
The probability of John making the first and missing the second is:
Answer:

Step-by-step explanation:
GIVEN: In the
school year in country A, there were
foreign students from country B. This number is
more than the number of students from country C.
TO FIND: How many foreign students were from country C.
SOLUTION:
Total foreign students from country B 
let the foreign students from country C be 
As the students from country B is
more than the country C
Students from country B



Hence the number of students from country C are 