44
Mathematics VIII
15. A person spent 564 in buying geese and ducks,if each
goose cost and each duck *3 and if the total number
of birds bought was 108, how many of each type did
he buy?
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Step-by-step explanation:
let no. of geese be x
Therefore no. of ducks =x-180
equation
7x+3*(108-x)=564
7x+324-3x=564
4x=564-324
4x=240
x=240/4
=60
therefore no. of geese =60
no.of ducks=(108-x)
=108-60
=48
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