Kiranmai pays Rs. 50 to a shopkeeper in the denomination of one rupee coins and five rupee coins. She gives a total of 26 coins. Find the number of 5 rupee coins given to the shopkeeper.

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Solution

Let she pays $x$ coins of $5$ rupee and $26 - x$ coins of $1$ rupee

Total money $= x \times 5 + (26 - x) \times 1 = 50$

$\Rightarrow 5 x + 26 - x = 50$

$\Rightarrow 4 x = 24$

$\Rightarrow x = 6$

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Kiranmai pays Rs. 50 to a shopkeeper in the denomination of one rupee coins and five rupee coins. She gives a total of 26 coins. Find the number of 5 rupee coins given to the shopkeeper.

Let she pays x coins of 5 rupee and 26−x coins of 1 rupee Total money =x×5+(26−x)×1=50⇒5x+26−x=50⇒4x=24⇒x=6

Let she pays $x$ coins of $5$ rupee and $26 - x$ coins of $1$ rupee

Total money $= x \times 5 + (26 - x) \times 1 = 50$

$\Rightarrow 5 x + 26 - x = 50$

$\Rightarrow 4 x = 24$

$\Rightarrow x = 6$