Answer:
I think it's 140 not sure
The answer to the question
No, Perry is not using the correct ratio, because 15:17 is not equivalent to 5:7
15 divided by 3 is indeed 5 but divided 17 by 3 does not give you 7, nor a whole number.
I hope this helps.
Any number that is between those two given numbers. So, any number from 832,459 - 832,499 would be acceptable. Example: 832,475