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22.04.2020 •
Mathematics
What is the solution to the equation: 5 = 2/5a
A: 2
B: 4 2/3
C: 12 1/2
D: 25
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Ответ:
C
Step-by-step explanation:
5= 2/5a
Multiply by 5/2 on each side
5/2 x5=2/5ax5/2
25/2=10/10a
25 divided by 2 is 12 1/2
Ответ: