Sarah uses 1 ounce of shampoo, and one half as much conditioner as shampoo daily.  In two weeks, what is the total volume of shampoo and conditioner, in ounces, that Sarah will use?
How many ounces of hair care products does Sarah use daily? ** Sarah uses 1+0.5=<<1+0.5=1.5>>1.5 ounces of hair care products daily.
How many days are in two weeks? ** Two weeks is 2*7=<<2*7=14>>14 days.
How many ounces of hair care products will Sarah use in 14 days? ** In 14 days, Sarah will use 14*1.5=<<14*1.5=21>>21 ounces of hair care products.
#### 21