$16 for 4 books. How much would 12 books cost?

$48

Step-by-step explanation:

you would first need to find what the cost of 1 book is so

16 divided by 4 is 4

so 1 book is $4

then you would need multiply the cost of one book by 12

so 4 times 12 is 48

so the cost would be $48

by definition, an arc subtended by a central angle of some given measure has the same measure. so .