Question

a group of students plan for picnic have rupees 360 for expenses if 4 more students joined the group it contributes rupees 3 less find the number of student

Answer 1

Answer:

20

Step-by-step explanation:

let no of students = x and each expense = y

therefore xy=360

case1

y=360/x

case 2

(x+4)(y-3)=360

SOLVE THIS EQUATION AND THEN SUBSTITUTE THE VALUE OF Y AND GET A QUADRATIC EQ. THEN THE ANS. WOULD COME AS 20.