Question

"Swans cost $2 each two doves can be purchased with $1 and three hens can be purchased with $1. How many swans doves and hens do you have when you buy 100 birds with $100

Answer 1

50 Swans or

100 Doves or

100 Hens

or

any combination that accomplish withthe following equation:

2x+y+z=100

where:

x: number of swans and x>0

y: number of doves and y>0

z: number of hens and z>0

Explanation: