A shopkeeper bought wheat for Rs. 35000. Due to leakage in the godown 1/7 of the total wheat was spoiled. He sold the good wheat at a gain of 10% and the spoiled wheat at a loss of 25%. Find his total gain or loss per cent.

Price of spoiled wheat=

He sold good wheat at a gain of 10%

Now

Now

Total SP:-33000+3750=36750

the answer is 510

step-by-step explanation:

15 • 13 = 195

15 • 12 = 180

15 • 5 = 75

12 • 5 = 60

195 + 180 = 375

375 + 75 = 450

450 + 60 = 510

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is: