Question 388186
1) Let x be the length of the 1st piece and y be the length of the 2nd.
x=y+5
3x/5=3y/4
12x=15y multiply each side by 20
12(y+5)=15y Substitute y+5 for x.
12y+60=15y
3y=60
y=20 cm
.
Ed