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If in the years 2013, 2014, and 2015, in the five states sho
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11 Aug 2020, 04:40
11 Aug 2020, 04:40
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If in the years 2013, 2014, and 2015, in the five states shown, the number of severe weather events followed the same pattern as in 2014, but there were 25 percent more flash floods and tornadoes in 2014 than in 2013 and, from 2014 to 2015, the number of flash floods increased by one-third, and the number of tornadoes increased by about one-half, about how many more severe weather events occurred in August 2015 than in August 2013?
A. 5
B. 23
C. 27
D. 33
E. 56
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Manager
Joined: 20 Jun 2019
Posts: 181
Given Kudos: 41
GRE 1: Q160 V161
GRE 2: Q165 V159
Re: If in the years 2013, 2014, and 2015, in the five states sho
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11 Aug 2020, 23:18
11 Aug 2020, 23:18
2
We know FF(flash floods) and Tornadoes in Aug'14 are approx. 30 and 10 respectively.
Now we are given that '14 FF and Tornadoes are 25% more than '13 so essentially we are saying 125/100*FF('13)=30 and 125/100*Tornadoes('13)=10.
Hence we get 24 and 8 respectively.
Now for '15 we are told FF increased by 1/3 so that is 30+1/3*30=40 and Tornadoes increased by 1/2, which is 10+1/2*10=15.
Therefore our difference of events is 55–32=23.
Now we are given that '14 FF and Tornadoes are 25% more than '13 so essentially we are saying 125/100*FF('13)=30 and 125/100*Tornadoes('13)=10.
Hence we get 24 and 8 respectively.
Now for '15 we are told FF increased by 1/3 so that is 30+1/3*30=40 and Tornadoes increased by 1/2, which is 10+1/2*10=15.
Therefore our difference of events is 55–32=23.
Manager
Joined: 20 Jun 2019
Posts: 181
Given Kudos: 41
GRE 1: Q160 V161
GRE 2: Q165 V159
Re: If in the years 2013, 2014, and 2015, in the five states sho
[#permalink]
27 May 2021, 23:27
27 May 2021, 23:27
1
manju28 wrote:
pprakash786 wrote:
We know FF(flash floods) and Tornadoes in Aug'14 are approx. 30 and 10 respectively.
Now we are given that '14 FF and Tornadoes are 25% more than '13 so essentially we are saying 125/100*FF('13)=30 and 125/100*Tornadoes('13)=10.
Hence we get 24 and 8 respectively.
Now for '15 we are told FF increased by 1/3 so that is 30+1/3*30=40 and Tornadoes increased by 1/2, which is 10+1/2*10=15.
Therefore our difference of events is 55–32=23.
Now we are given that '14 FF and Tornadoes are 25% more than '13 so essentially we are saying 125/100*FF('13)=30 and 125/100*Tornadoes('13)=10.
Hence we get 24 and 8 respectively.
Now for '15 we are told FF increased by 1/3 so that is 30+1/3*30=40 and Tornadoes increased by 1/2, which is 10+1/2*10=15.
Therefore our difference of events is 55–32=23.
how would you tell that FF(flash floods) and Tornadoes in Aug'14 are approx. 30 and 10 respectively?
can you explain?
Just look at the first line graph. At the FF total and Tornado's total lines respectively.
