blues were 5 dollars each and yellows were 8 dollars each. if penelope spent 82 dollars and the number of blues she bought was 2 greater than twice the number of yellows. how many of each kind did she buy
@Mathematics

Question

blues were 5 dollars each and yellows were 8 dollars each. if penelope spent 82 dollars and the number of blues she bought was 2 greater than twice the number of yellows. how many of each kind did she buy 
 @Mathematics

hoblos · Answer

let number of blues = x & that of yellows = y
=> 5x + 8y =82
&    x=2y+2
now solve the system
to get x=10  y=4