Fill in here
The method of reduction is based on comparing the sizes of the problem with the same size.
A pool is filled with 6 pumps in 12 hours. Because two pumps were damaged, how many hours will take 4 pumps to fill the pool?
6 pumps ........ 12 hours
1 pump ........ 12 x 6 = 72 hours
4 pumps ........ 72 : 4 = 18 hours
Site-ul nostru poate rămâne gratuit numai prin afișarea de reclame.
Vă rugăm să ne susțineți prin dezactivarea blocării de anunțuri.