Y:12•5=40, A•5=12•40, y+40=12•5

Question

Y:12•5=40, A•5=12•40, y+40=12•5

Answer 1

Y:12*5=40 A*5=480 Y+40=12*5
Y:12=40:5 A=480:5 Y+40=60
Y:12=8 A=96 Y=60-40
Y=8*12. Y=20
Y=96