Question 100009
let the pieces be x and y
x+y=12
x=2y+4
.
x+y=12
x-2y=4
-------subtract the 2nd from the 1st
=>3y=8
y=8/3= 2 2/3
x=12-8/3=9 1/3
Check:
28/3=2*8/3+4...28/3=16/3+12/3...28/3=28/3
Ed