Hello.
Written language often requires a more fluent level of comunication, which can prevent people from expressing their attitudes and emotions.
Spoken language, however, allows the speakers to add their own touch to the conversation, like facial expressions and hand movements.
Hope I helped.
Answer:
The Gold Standard:
Explanation:
Was a common practice before WW2 that made it so that money was worth a certain, fixed amount in gold.
-20/27 as:
-8/9 * 5/6
= -40/54
Which simplifies to -20/27