an ad said that 4 out of five dentists recommend a certain chewing gum for their patients. Suppose that 185 dentists were interviewed. how many dentists would recommend this gum
+37099 4 out of 5 is 4/5 = 80%
80% of dentists recommend this gum
80% x 185 = 80/100 x 185 = 148 of them would recommend the gum.
Another way 4/5 recommend the gum 4/5 x 185 = 148
