Question

A shopkreper has 120 kg of rice .In the first four week of a month ,he sells 61/5 kg ,51/5kg ,31/2kg,103/4kg respictively .Find thr quantity of rice remaining after the end of four week

Answer 1

dont no what is the answer but you can take the formula (120/1-61/5+51/5+31/2+103/4)take the lcm and solve

Answer 2

let X be remaining rice
at 1st=120kg
61/5+51/5+31/2+103/4+X=120kg
102/5+62/4+103/4+X =120kg
102/5+165/4+X =120
408+825/20=120-X
1233/20=120-X
61.65+120=X
181.65=X