Respuesta :

Answer:

68$

Step-by-step explanation:

cost of 10 book= 10$ * 10= 100$

now,

Remaining money= 168$-100$

                             =68$

Answer:

$68

Step-by-step explanation:

If each of the 10 books costs $10, you must multiply $10 x 10 to get $100. Then, you do $168 - $100 and get $68.