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Town A and town B have some area that is common to both the towns, suc
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07 Jul 2024, 15:30
07 Jul 2024, 15:30
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Town A and town B have some area that is common to both the towns, such that the area of town A that lies in town B is 20% of the area of town B that does not come in town A The percentage of town B that lies in town A, rounded off to the nearest integer is
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Re: Town A and town B have some area that is common to both the towns, suc
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15 Jul 2024, 09:09
15 Jul 2024, 09:09
@Cacass
Could you please answer this question?
Could you please answer this question?
Re: Town A and town B have some area that is common to both the towns, suc
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15 Jul 2024, 10:08
15 Jul 2024, 10:08
1
Expert Reply
You have to read the stem stem and from that move forward step by step
We do know that A has in common 20% with b but nOT the other way around. B has NOTHING in common with A
In the Venn diagram then we have A,B, and C the area in common which is 20%
Now, C=20%
so the ratio b:c=5:1
1/5 of B is in A
The area of town B is \(\frac{c}{b+c}=\frac{1}{5+1}=\frac{1}{6}=16.66 \approx 17\) %
We do know that A has in common 20% with b but nOT the other way around. B has NOTHING in common with A
In the Venn diagram then we have A,B, and C the area in common which is 20%
Now, C=20%
so the ratio b:c=5:1
1/5 of B is in A
The area of town B is \(\frac{c}{b+c}=\frac{1}{5+1}=\frac{1}{6}=16.66 \approx 17\) %
