Respuesta:
a) 700
b) 2800
c) 1400
Explicación paso a paso:
---1000k --> 1000(0.7)= 700
4900 ---4000k --> 4000(0.7)= 2800
---2000k --> 2000(0.7)= 1400
---------------------------
7000k
4900=7000k
4900/7000=k
0.7=k
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Respuesta:
a) 700
b) 2800
c) 1400
Explicación paso a paso:
---1000k --> 1000(0.7)= 700
4900 ---4000k --> 4000(0.7)= 2800
---2000k --> 2000(0.7)= 1400
---------------------------
7000k
4900=7000k
4900/7000=k
0.7=k