Boyd Weber
05/20/2024 · Primary School
Para hacer una mezda deben juntarse \( \frac{1}{2} \mathrm{~kg} \) de harina y \( \frac{3}{4} \mathrm{~kg} \) de azúcar. Luego debe agregarse agua. Los litros de agua deben ser \( \frac{2}{5} \) del peso de la mezcla entre la harina y la azúcar. ¿Qué operadón debe resolverse para calcular el peso total de la mezda de harina, azucar y agua? A) \( \frac{1}{2}+\frac{3}{4} \) B) \( \frac{1}{2}+\frac{3}{4}+\frac{2}{5} \) C) \( \frac{1}{2}+\frac{3}{4}+\frac{2}{5} \cdot\left(\frac{1}{2}+\frac{3}{4}\right) \) D) \( \frac{1}{2}+\frac{3}{4}+\frac{2}{5}+\left(\frac{1}{2}+\frac{3}{4}\right) \)
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Para calcular el peso total de la mezcla, sume \( \frac{1}{2} + \frac{3}{4} \) y luego multiplique el resultado por \( \frac{2}{5} \). La opción correcta es C.
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