El valor de 25 m2 de azulejo es de $3 125. ¿Cuántos m2 se comprarán con $15 625?
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25m^2--------- $3125
x----------------- $15625
= 25m^2 * $15625 / $3125
Se cancelan las unidades de $ (peso)
= 25m^2 * 15625 / 3125
Se efectúa
= 390625 m^2 / 3125
= 125 m^2