The wheat sold by a grocer contained 10% low-quality wheat. What quantity of good-quality wheat should be added to 150 kg of wheat so that the percentage of low quality wheat becomes 5%?(CTS COMPANY)

The wheat sold by a grocer contained 10% low-quality wheat. What quant

1.	The wheat sold by a grocer contained 10% low-quality wheat. What quantity of good-quality wheat should be added to 150 kg of wheat so that the percentage of low quality wheat becomes 5%?(CTS COMPANY)
A.	135 kg
B.	150 kg
C.	85 kg
D.	50 kg
Answer» C. 85 kg