Respuesta :

Answer:

C. [tex]1\frac{2}{10}[/tex]

Step-by-step explanation:

[tex]\frac{30}{100}+\frac{9}{10}=\frac{30}{100}+\frac{90}{100}[/tex]

[tex]\frac{30}{100}+\frac{90}{100}=\frac{120}{100}[/tex]

[tex]\frac{120}{100}=1\frac{20}{100}[/tex]

[tex]1\frac{20}{100}=1\frac{2}{10}[/tex]

Explanation:

[tex] \frac{300}{100} + \frac{9}{10} [/tex]

[tex] \frac{30}{10} + \frac{9}{10} [/tex]

[tex] \frac{3 + 9}{10} [/tex]

[tex] \frac{3 + 9}{10} = \frac{12}{10} [/tex]

Cross out common factors.

[tex] \frac{6}{5} [/tex]

Answer:

[tex]1 \frac{2}{10} [/tex]

Hope this helps.