100x2, 50x4, 20x10 5x40, 1x200. 25x8
In real life,250 songs.(50X4 mb songs,so from a CD or torrent
50x1=50 And just keep adding 50 50x2=100 50x3=150 50x4=200 50x5=250 50x6=300 50x7=350 50x8=400 50x9=450 50x10=500 50x11=550 50x12=600
In other words, 50 is one fourth of some number called "x." So 50x4, or 200, is the answer. A way to check this is, 200/50 is 4, so 50 goes into 200 four times, and is thus 1/4 of 200. Good luck!!