Mathematics: How do you solve 6 7/8 + 1 2/8 =

How do you solve 6 7/8 + 1 2/8 = - id6781287525820, masie03

Ответ:

reetajmahfouz3816

02.02.2022

$6\frac{7}{8}+1\frac{2}{8}=(6+\frac{7}{8})+(1+\frac{2}{8})=(6+1)+\left(\frac{7}{8}+\frac{2}{8}\right)\\\\=7+\frac{7+2}{8}=7+\frac{9}{8}=7+\frac{8+1}{8}=7+\frac{8}{8}+\frac{1}{8}=7+1+\frac{1}{8}\\\center{\boxed{\boxed{=8\frac{1}{8}}}$

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Ответ:

ibrain856

24.11.2021

Mathematics

the sum of their rates is 1/2 + 1/5
1 / (1/2 + 1/5) = 10/7
1/2 + 1/5 =1/x
x=10/7
1/2 and 1/5 can interpreted as 1 job per 2 hours and 1 job per 5 hours respectively.
hope this helps

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