The number who drink coffee is 3/4 of 8000, so ... ... (3/4)×8000 = 6000. Of those, 1/5 add cream, so the number of coffee drinkers who add cream to their coffee is ... ... (1/5)×6000 = 1200. _____ Alternate solutions We have computed ... ... (1/5)×((3/4)×8000) = 1200 Since multiplication is associative, you can multiply the fractions first, if you wish: ... ((1/5)×(3/4))×8000 = (3/20)×8000 ... = 24000/20 = 1200 or ... = 3×(8000/20) = 3×400 = 1200