10 because 7x9 which is the closest you can get to 66 is 7x9 which is 63 and those 3 extra people need a tour too so thats another one
Step-by-step explanation:

Answer:
135 cm³
Step-by-step explanation:
- To find volume: you multiply length*width*height
2. 
3. 6*5*4 1/2
4. 6*5=30
5. 30*4 1/2=135
6. 135 cm³
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Brainliest?!?!
Answer:
32000000000 bytes are in 32 gigabytes.
Step-by-step explanation:
1e+9 * 32 = 32000000000