store a sells a 100 oz bottle of cleaner for $12.99 store B sells the same cleaner for $9.49 for a 70 ounce bottle and store sells a 90 oz bottle of the same cleaner for $10.98 which store has the best buy for the cleaner

Store C

Step-by-step explanation:

Simply divide the price by the amount to determine which store has the best price efficiency.

A : 12.99 / 100 =.129¢ per oz

B : 9.49 / 70 =.136¢ per oz

C: 10.98 / 90 =.122¢ per oz

Store C has the best price efficiency