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Phantasy [73]
3 years ago
11

If 1/2+2/5s=s-3/4,what is the value of s?

Mathematics
2 answers:
Sauron [17]3 years ago
6 0

Answer:

b

Step-by-step explanation:


lozanna [386]3 years ago
3 0

Answer:  The correct option is

(B) s=\dfrac{25}{12}.

Step-by-step explanation:  We are given to find the value of s from the following equation :

\dfrac{1}{2}+\dfrac{2}{5}s=s-\dfrac{3}{4}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To find the value of s, we must solve the given equation.

The solution of equation (i) is as follows :

\dfrac{1}{2}+\dfrac{2}{5}s=s-\dfrac{3}{4}\\\\\\\Rightarrow s-\dfrac{2}{5}s=\dfrac{1}{2}+\dfrac{3}{4}\\\\\\\Rightarrow \dfrac{5-2}{5}s=\dfrac{2+3}{4}\\\\\\\Rightarrow \dfrac{3}{5}s=\dfrac{5}{4}\\\\\\\Rightarrow s=\dfrac{25}{12}.

Thus, the required value of s is \dfrac{25}{12}.

Option (B) is CORRECT.

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