Use properties of operations to add 9(k+1/3)+10(1/2k-1)
A. 14k+13
B. 14k-2/3
C. 14k-7
D. 19 1/2k-2/3
To add 9(k + 1/3) + 10(1/2k - 1), we can distribute the multiplication to get:
9k + 3 + 5k - 10
Combining like terms, we have:
(9k + 5k) + (3 - 10) = 14k - 7
Therefore, the answer is C) 14k - 7.