Explicação passo a passo:
3 torneiras>>>>>>>>>>>>>>>>>>>>3 hs
2 >>>>>>>>>>>>>>>>>>>>>>>>>>x hs
3/2 = 3/x
em cruz
3 * x = 2 * 3
3x = 6
x= 6/3 = 2 hs >>>>>resposta
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Explicação passo a passo:
3 torneiras>>>>>>>>>>>>>>>>>>>>3 hs
2 >>>>>>>>>>>>>>>>>>>>>>>>>>x hs
3/2 = 3/x
em cruz
3 * x = 2 * 3
3x = 6
x= 6/3 = 2 hs >>>>>resposta