lorenzolerma05
lorenzolerma05
26-08-2016
Mathematics
contestada
Unit rate 42 bricks laid in 2 hours
Respuesta :
Kunchan
Kunchan
26-08-2016
laid bricks in 2 hours = 42
laid bricks in a hour = 42/2
= 21
so rate is 21 bricks / hour
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