100% — 35% = 20%?

English translation: the 35% decrease is compared with the previous time, the 80% is the overall decrease

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English term or phrase:	100% — 35% = 20%?
Selected answer:	the 35% decrease is compared with the previous time, the 80% is the overall decrease
Entered by:	Manuel Cedeño Berrueta

01:39 Feb 7, 2007

English language (monolingual) [PRO]
Medical - Medical (general) / Cancer & mathematics_understanding tumor reduction

English term or phrase: 100% — 35% = 20%?

Hello again.
Can someone explain this summation/subtraction to me, please?

“This is to let you know that Mrs. XX is doing extremely well and she had more than 35% reduction in the volume of her disease compared to the previous time.
If we compare the volume of disease she had when she came here to the volume of disease that she has now, she is down now to 20% of the original tumor volume.”
---

From the first sentence, I understand that the reduction is +35% and 65% of the tumor remains;

but from the second sentence I understand that the reduction is 80% and only 20% of the original tumor is remaining.

What am I misunderstanding?

Many thanks for your help,
Manuel

Manuel Cedeño Berrueta KudoZ activity Questions: 371 (none open) (1 without valid answers) (19 closed without grading) Answers: 1987
Local time: 14:49

the 35% decrease is compared with the previous time, the 80% is the overall decrease

Explanation:
Pretty sure

Selected response from:

Mikhail Kropotov
Germany
Local time: 20:49

Grading comment

Thanks a million! It is clear now.

It seems that I have to study summation & subtraction again.

4 KudoZ points were awarded for this answer

SUMMARY OF ALL EXPLANATIONS PROVIDED

5 +9

the 35% decrease is compared with the previous time, the 80% is the overall decrease

Mikhail Kropotov

Answers

2 mins confidence:

peer agreement (net): +9

the 35% decrease is compared with the previous time, the 80% is the overall decrease

Explanation:
Pretty sure

Mikhail Kropotov
Germany
Local time: 20:49
Works in field
Native speaker of: Russian
PRO pts in category: 22

Grading comment

Thanks a million! It is clear now.

It seems that I have to study summation & subtraction again.

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100% — 35% = 20%?

English translation: the 35% decrease is compared with the previous time, the 80% is the overall decrease

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100% — 35% = 20%?

English translation: the 35% decrease is compared with the previous time, the 80% is the overall decrease

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