A lady has only 20-paisa coins and 25-paisa coins in her purse.If she has 50 coins in all totalling Rs.11.50,how many coins of each kind does she have ?
Answers
Answered by
0
Step-by-step explanation:
20paise=0.2 rupees
50paise=0.5 rupees
no.of 50 paise coins=x
no.of 20 paise coins=50-x(total no.of coins=50)
total:
0.2(50-x)+0.5(x)=11.5
10-0.2x+0.5x=11.5
10+0.3x=11.5
0.3x=11.5-10
0.3x=1.5
x=1.5/0.3
x=5
no.of 50 paise coins=x=5,20paise coins=50-x=50-5=45
Answered by
1
Answer:
20paise=0.2 rupees
50paise=0.5 rupees
no.of 50 paise coins=x
no.of 20 paise coins=50-x(total no.of coins=50)
total:
0.2(50-x)+0.5(x)=11.5
10-0.2x+0.5x=11.5
10+0.3x=11.5
0.3x=11.5-10
0.3x=1.5
x=1.5/0.3
x=5
no.of 50 paise coins=x=5,20paise coins=50-x=50-5=45
Read more on Brainly.in - https://brainly.in/question/13420669#readmoreStep-by-step explanation:
Similar questions