Question

observe a relação entre R, S e T​

Answer 1

$2S=10T$

$S=\frac{10T}{2}$

$S=5T$

$2R=6S$

$2R=6\cdot 5T$

$2R=30T$

$R=\frac{30T}{2}$

$R=15T$

a) $R=15\cdot 20$

$R=300\ g$

b) $R=15\cdot 30$

$R=450\ g$