ruzita bought 3kg of chicken drumlets.She used 0.75kg of the chicken drumlets to cook curry and another 0.13kg to stew with vegetables. What percentage of the c

chicken drumlets = 3 kg

used :
cook curry = 0,75 kg
stew with vegetables = 0,13 kg
sum used = 0,75 kg +0,13 kg = 0,88 kg

sum not use = total cikhen drumlets - sum used
                     = 3 kg - 0,88 kg
                     =2,12 kg
    percentase = 2,12 kg/ 3kg * 100 = 0,7067 =70,67 %
                       =70,7 %

thanks