7,648 and 6,943 added to the difference between 386 and half of a number is 14,871. what is the number?

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Ответ:

sarahsompayrac

05.09.2021

Mathematics

$3\frac{3}{8}$

Step-by-step explanation:

we have

$(10-6\frac{5}{8})$

we know that

$10=9+\frac{8}{8}=9\frac{8}{8}$

substitute

$(10-6\frac{5}{8})=9\frac{8}{8}-6\frac{5}{8}$

$=(9-6)\frac{8-5}{8}$

$=3\frac{3}{8}$

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