Question 903251
0.02*x+0.05*100=0.03(100+x)
0.02*x+5=3+0.03x
0.02x-0.03x=3-5
-0.01x=-2
x=200 oz of 2cent is added to 100 oz of 5cent  to get  300 oz  at 3cent
check
0.02*200+0.05*100=0.03(100+200)
4+5=0.03(300)
9=9
ok