 
 <translate> He bought all the toys for 20 * 200 = $4000. He sold 200 * .8 = 160 toys. He made 160 * 30 = $4800 from selling them. So he profits 4800 - 4000 = $800 profit. The answer: 800. <hau> Ya sayi dukkan kayan wasan ne akan 20 * 200 = $4000. Ya sayar da 200 *.8 = 160 kayan wasa. Ya yi 160 * 30 = $4800 daga sayar da su. Don haka yana samun riba 4800 - 4000 = $800 riba. Amsar ita ce: 800. 