Question

a lady has only 20-paisa coins and 25 paisa coins in her purse. if she has 50 coins in all totalling rupees 11.50 how many coins of each kind does she have

Solve only by cross multiplication method​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Rs11.50 =1150 paise

the lady has x number of 20 paisa coins and (50-x) number of 25 paise coins

so,

x.20+25(50-x)=1150

=> 20x+1250-25x=1150

=> -5x=1150-1250

=> -5x= -100

=> x= -100/-5

=> x=20

so number of 20 paisa coins is 20 and number of 25 paisa consider (50-20)=30