vicentelopez502 vicentelopez502

20-11-2017
Mathematics

contestada

121 bricks in 16.5 minutes 22 brings in m minutes

Respuesta :

mathstudent55 mathstudent55

20-11-2017

Use a proportion.

121/16.5 = 22/m

121m = 16.5 * 22

11m = 16.5 * 2

11m = 33

m = 3

3 minutes.

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