Question

Twice as many students are in the chess club as in the fencing club.The number of students in the fencing club is one fifth the number of students in the cooking club.There are 42 more students in the cooking club than in the chess club.How many students are in the chess club?

Answer 1

28 students

Explanation:

Let number of students in cooking club = x

Number of students in fencing club = 1/5 x

Number of students in chess club = 2(1/5)x

Since, There are 42 more students in the cooking club than in the chess club

Then ;

Number of students in chess club = Number of students in cooking club - 42

2(1/5)x = x - 42

(2/5)x - x = - 42

(2/5)x - x = - 42

-0.6x = - 42

x = 42 / 0.6

x = 70

Hence, number of students in chess club :

(2/5) * 70 = 28