Answer:
72
Step-by-step explanation:
9/11 = ?/88
<em>multiply each side by 8 (because 88 divided by 11 is 8)</em>
72/88 = ?/88
<em>multiply each side by 88</em>
72 = ?
x = 9
solve using cross multiplication
63(x) = 45(12.6)
63x = 567
Answer: c
(3,6)