Yung5hagger
18.12.2020 •
Chemistry
An atom with an equal number of protons to electrons is called
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Ответ:
9
Explanation:
Ответ:
14 km
Step-by-step explanation:
6 km in the afternoon
x km in the morning
6= x- 25%
6= 0.75x
x= 6/0.75
x= 8 km
total 6+8= 14 km