Problema Solution
Ranjana's mother gave her rs 245 for buying new year cards.if she got some 10 rupee cards, 2/3 as many 5 rupee cards,and 1/5 as many 15 rupee cards,how many of each kind did she buy?
Answer provided by our tutors
10 rupee cards: x
5 rupee cards: 2x/3
15 rupee cards: x/5
So the equation is
10*x + 5*2x/3 + 15*x/5 = 245
So
x=15
So
10 rupee cards: 15
5 rupee cards: 10
15 rupee cards: 3