2 years ago

When

Mathematics

2 answers:

BlackZzzverrR [31]2 years ago

5 0

Answer:

$\frac{1}{3} k + \frac{1}{4} k = 1 \\ \frac{4k + 3k}{12} = 1 \\ 7k = 12 \\ k = \frac{12}{7}$

is youranswer

yan [13]2 years ago

3 0

ANSWER:

1/3k + 1/4k = 1

4 + 3/12k = 1

7/12k = 1

k = 12/7.

So, Correct choice - [B] 12/7.

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