12.6 bottle of shampoo fir 4.99 or a 10.2 bottle if shampoo for 3.49 find the unit rate round it to the nearest cent or hundreth

To find the unit rate of each shampoo, divide the price by the Oz
Pantene: 4.99 / 12.6 = $0.40 per Oz
Clairol = 3.49 / 10.2 = $0.34 per Oz