Question 715119
X+Y=38
X=38-Y
4X+20Y=200
4(38-Y)+20Y=200
152-4Y+20Y=200
16Y=200-152
16Y=48
Y=48/16
Y=3 20 POINT QUESTIONS.
X+3=38
X=38-3
X=35 4 POINT QUESTIONS.
PROOF:
4*35+20*3=200
140+60=200
200=200