Answer:
Explanation:
If I take a shower every two days for two weeks - dats 7 showers in 2 wks
and my shampoo bottle empties at a rate of 1/4 a week - dats 1/2 bottle in 2 wks
7 showers use 1/2 bottle of 32oz = 16oz
each shower uses 16/7 = 2 1/7 oz of shampoo
no info on conditioner so its unknown