Question

Encontrar los 3/8 de los 4/9 de los 15/21 de 840.
Ayúdenme pls

Answer 1

SOLUCIÓN

♛ HØlα!! ✌

Recuerda que la palabra "de" o "de los" denota multiplicación, entonces

                                        $\dfrac{3}{8}\times \dfrac{4}{9}\times \dfrac{15}{21}\times 840\\\\\\\dfrac{1}{8}\times \dfrac{4}{3}\times \dfrac{15}{21}\times 840\\\\\\\dfrac{1}{8}\times \dfrac{4}{1}\times \dfrac{5}{21}\times 840\\\\\\\dfrac{1}{2}\times \dfrac{1}{1}\times \dfrac{5}{21}\times 840\\\\\\\dfrac{1}{2}\times \dfrac{1}{1}\times \dfrac{5}{1}\times 40\\\\\\\dfrac{1}{1}\times \dfrac{1}{1}\times \dfrac{5}{1}\times 20\\\\\\5\times20\\\\\boxed{\boxed{\boldsymbol{100}}}$