I believe that 7 5/4 is the answer.
Hey there James!
So, just remember, 2/5 is almost half of 1.
When it is almost half of 1, this means that it would have to be 2.5/5
This would mean that 4/10 would be your answer, because it is almost half of 1 also.
Hope this helps.
Answer: i think it is 680 or 340, but my gut says 680...
Step-by-step explanation: 4 x 10 = 40 x 17 = 680
B would be your best answer looking at the graphic chart