The grocery store sells beans in bulk the groceries the sign above the blue says 5 pounds for $4 at the store you can buy any number of pounds at being at the same rate and all prices include tax alberto said the ratio of the number of dollars to the number of pounds is 4/5 $0.08 best said the sign says the ratio of the number of pounds to the number of dollars is 5/4 is that $1.25 pounds per dollar are alberto and beth both correct explain ?