Question

Solve , 300+ r / 200 = r / 100
with explanation ​

Answer 1

Answer:

300=r/100-r/200

300=2r-r/200

300=r/200

r=60000

Answer 2

$300 + \frac{r}{200} = \frac{r}{100} \\ \\ \frac{r}{200} - \frac{r}{100} = - 300 \\ \\ \frac{r - 2r}{200} = - 300 \\ \\ - r = - 60000 \\ \\ r = 60000$