Question

A)2/5 de 540
B)1/8 de 560
C)3/7 de 420
D)5/6 de 900
E)4/15 de 1200​

Answer 1

Explicação passo a passo:

a) $\frac{2}{5} . 540 = \frac{2}{5} . \frac{540}{1} = \frac{1080}{5} = 216$  

b) $\frac{1}{8} . 560 = \frac{1}{8} . \frac{560}{1} = \frac{560}{8} = 70$

c) $\frac{3}{7} . 420 = \frac{3}{7} . \frac{420}{1} = \frac{1260}{7} = 180$

d) $\frac{5}{6} . 900 = \frac{5}{6} . \frac{900}{1} = \frac{4500}{6} = 750$

e) $\frac{4}{15} . 1200 = \frac{4}{15} . \frac{1200}{1} = \frac{4800}{15} = 320$