Question

a shopkeeper earns a profit of rupee 1 by selling a pencil and a lose of 20paise by selling an eraser in a day he had a lose of 10rupee on this day he sold 35 pencils how many erasers were sold on this day​

Answer 1

Answer:

x + y + z = 100

0.05x + y +5z = 100. …. x is no . of goats ..0.05 rupees can buy 1 goat.

If u solve the above you get (99/19)z = 100 - y

If u take y as 1 then the numerator gets cancelled on both sides.

Hence you get

X = 80

Y = 1

Z = 19 .

Answer 2

Answer:

a shopkeeper earns a profit of rupee 1 by selling a pencil and a lose of 20paise by selling an eraser in a day he had a lose of 10rupee on this day he sold 35 pencils how many erasers were sold on this day