The school library is buying new books that cost $9 each. Which equation
represents the total cost (t) for any number of books (b)? *
Ot=b-$9
O
t = b + $9
O b = $9t
O
t = $9b

t = $9b

Step-by-step explanation:

The total cost is t, and that is equal to 9 dollars for each book bought, so we multiply the amount of books by 9, so 9b, we add the dollar sign and t = $9b.

hdjd

step-by-step explanation:

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

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