Mohan has 25 rs. in the form of 50 paisa and one rupee coins. he has half as many 50 paisa coins as he has one rupee coins. the number of one ruoee coins is?
Answers
The number of one rupee coins is 20.
Step-by-step explanation:
Let the no. of 50 paisa coins be "x" and no. of 1 rupee coins be "y".
It is given that Mohan has half as many as 50 paisa coins as he has 1 rupee coins i.e., we have x = y/2.
Now, according to the question, we can write the eq. as,
0.50x + y = 25
substituting the value of x = y/2
⇒ [0.50 * (y/2)] + y = 25
⇒ 0.25 y + y = 25
⇒ 1.25y = 25
⇒ y = 20 ← the no. of 1 rupee coins
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