Hello there!
The answer is C.
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Explanation:
The value of 7 in 75 is 70.
The value of 7 in 7.5 is 7
Now, we must find how many time 7 goes into 70
70/7 = 10
This means that The value of 7 in 75 is 10 times the value in 7.5
I hope I helped!
Let me know if you need anything else!
~ Zoe