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?​

Answer 1

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