Respostas

2013-10-09T20:22:32-03:00
MP= 12.1 + 15.3 + 20.5 +25.6
----------------------------------------… =
15


= 12+45+100+150
--------------------------------- =
15

= 307
------------ = 20,46666

Resp: 4
15
  • Usuário do Brainly
2013-10-09T21:18:44-03:00
12*1 + 15*3 + 20*5 + 25*6
--------------------------- =
1 + 3 + 5 + 6


12+ 45 + 100 + 150
------------------- =
15

307
---- =
15

= 20,466.....