Question

Question #f4387

Answer 1

Divide the price by the quantity to find the unit price, then compare

Explanation:

$4 divided by 25 oz = 16 cents per ounce
$7 divided by 90 oz = around 8 cents per ounce

The lower price for the same quantity is the better buy

Answer 2

See below

Explanation:

$3.99 for 25fl.Oz =`3.99/25 =` $0.1596 per fl.Oz.;

$6.99 for 90fl.Oz =`6.99/90 ~~` $0.0771596 per fl.Oz.;

About half the price per fl.Oz., so I would go for the larger size...