Question

Ranjana's mother gave her ₹245 for buying new year cards. If she got some 10 rupee cards,2/3as many 5 rupee cards,and 1/5 as many 15 rupee cards,how many of each kind did she buy?

Answer 1

She bought:10 rupee cards: x
5 rupee cards: 2/3 x
15 rupee cards:1/5 x
So the equation is10x + 5*(2/3 x) + 15(1/5 x) = 245
So
x = 15
So
She bought:10 rupee cards: 15
5 rupee cards: 10
15 rupee cards:3