Respuesta :

edleeanys
The answer is 12.9, because 1.29 times 10 is 12.9 and if you just add 1.29 10 times it will still give you 12.9
WowLookItsHandsome

Explanation:

If you multiply $1.29           by                10                =        $12.90   <------  

                           ^                                    ^                 ^--> (Sum/Total)      v

(One dollar and twenty-nine cents)     (Ten being what you multiply)     v                                                                               (Twelve Dollars and Ninety Cents)