Jawapan

2014-10-06T15:29:08+08:00
300x0.8=240 250x0.5=125 200x1=200 240+125+200=565
2014-10-06T16:17:31+08:00
= 300 x RM0.80
= RM240
= 750 - 200 - 300
= 250 unit
= 250 x RM0.50
= RM125
= 200 x RM1
= RM200
Jumlah = RM240 + RM125 + RM200
= RM565
mana satu yang btul ni bwah ke atas