Question

the cost of 11 pencils and 3 erasers is RS.50 and the cost of 8pencils and 3erasers is RS.38. Find the cost of each pencil and each eraser

Answer 1

let pencil be x and eraser be y
acc. to ques.
11x + 3y = 50...............(1)
8x + 3y = 38................(2)
sub. eq 1 & 2
3x = 12
x = 4
by putting x = 4 in eq 1
44 + 3y = 50
3y = 6
y = 2

Answer 2

Answer:

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