The total volume of one bottle of shampoo and one bottle of conditioner was 845 milliliters. when marco washed his hair, he used 2/35 of the shampoo and 4/45 of the conditioner, a total of 64 milliliters. what are the values of x, the total initial volume of shampoo, and y, the total initial volume of conditioner? a. 350ml of shampoo and 495 ml of conditioner b. 495 ml of shampoo and 350 ml of conditioner c. 325 ml of shampoo and 520 ml of conditioner d. 520 ml of shampoo and 325 ml of conditioner