8. Sunita has 9 in fifty-paise and twenty-five paise coins. She has twice as many twenty- five paise coins as she has fifty -paise

Question

8. Sunita has 9 in fifty-paise and twenty-five
paise coins. She has twice as many twenty-
five paise coins as she has fifty -paise coins.
How many coins of each kind does she
have?​

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Mia 5 months 2022-01-01T16:45:18+00:00 1 Answer 0 views 0

Answers ( )

  1. Mia
    0
    2022-01-01T16:46:42+00:00
    Reply

    Answer:

    9 x 50p and 18 x 25 p

    Step-by-step explanation:

    No. of 50p coins = x

    25p coins = y

    y = 2x

    .5x +.25 y = 9  or 10x + 5y = 180

    putting y = 2x in this equation, 10x + 10 x = 180 or x =9, y = 18

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