el cable cuesta 48 soles
Si 15 metros------------>80 soles
9 metros ------------>x soles
Por regla de tres simple:
15*x=9*80
x=9*80/15
x=9*16/3
x=3*16=48 soles
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el cable cuesta 48 soles
Si 15 metros------------>80 soles
9 metros ------------>x soles
Por regla de tres simple:
15*x=9*80
x=9*80/15
x=9*16/3
x=3*16=48 soles