fraccion .............................precio
5/9 .............................................12000
4/5.......................................................x
x=(12000×4/5) ÷5/9
x=48000/5÷5/9
x=9600÷5/9
x=9600×9/5
x=86400/5
x=17280 respuesta
usas regla de tres simple
5/9 terreno ---------------------- 12000 soles
4/5 terreno ---------------------- x soles
es directamente proporcional
x =
Rpta = cuesta 17280 soles
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fraccion .............................precio
5/9 .............................................12000
4/5.......................................................x
x=(12000×4/5) ÷5/9
x=48000/5÷5/9
x=9600÷5/9
x=9600×9/5
x=86400/5
x=17280 respuesta
usas regla de tres simple
5/9 terreno ---------------------- 12000 soles
4/5 terreno ---------------------- x soles
es directamente proporcional
x =
Rpta = cuesta 17280 soles