2/5 of the students is equivalent to 394 students. The total number of students involved is thus 394*5/2.
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Answer:
n = 12.
Step-by-step explanation:
Given:
5/6n = 10
Solve by isolating the variable. Divide both sides by 5/6. (Multiply by the reciprocal)
5/6n · 6/5 = 10 · 6/5
n = 10 · 6/5
n = 12.
Answer:
1) 64
2) 8
3) 2187
4) 5
5) 4
6) 12
7) 9
8) 
9) 27
10) 
11) 4b
12) 
Step-by-step explanation:
20 points down on the y axis