Question

A lady has only 20 paise coins and 25 paise coins in her purse. if she has 50 coins in all totalling rupees 11.50, how many coins of each does she have. Cross multiplication​

Answer 1

Answer:

= > 20x + 25y = 1150. Given that she has 50 coins in total. = > x = 20. Therefore the number of 20 paise coins = 20.

Answer 2

Answer:

20 paise coins will be 20 and 25 paise coins will be 30

Step-by-step explanation:

0.20 × 20 = ₹4.00

0.25 × 30 = ₹ 7.50

All total money = ₹ ( 4.00 + 7.50 )

= ₹ 11.50

Therefore, the answer is checked