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in a village the number of houses and the number of flats are in the ratio 7:4 the number of flats and the number of bungalows are in the ratio 8:5 . there are 50 bungalows in the village . how many houses are in the village

 Oct 22, 2020
 #1
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in a village the number of houses and the number of flats are in the ratio 7:4 the number of flats and the number of bungalows are in the ratio 8:5 . there are 50 bungalows in the village . how many houses are in the village    

 

H stands for Houses 

F stands for Flats  

B stands for Bungalows  

 

F:B is 8:

B is 50

F:B is F:50  so   F = 80  

 

H:F is 7:4  

F is 80

H:F is H:80  so   H = 140  

.

 Oct 22, 2020
 #2
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H/F  *  F/B   = H/B  = 7/4 * 8/5 = 56/20 = 14/5

 

so  H/B = 14/5     if B= 50

      H/50  = 14/5      H = 50 (14/5) = 140 houses

 Oct 22, 2020

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