If the small one is 3 dollars and the big one is 5 times as much then all you have to do is multiply 3x5 and you get 15. So the big one is 15 and when you add that to 3 you get 18$. So therefore the answer is $18
First you do $60 divided by 4 which equals $15 Then you take 1% of 15 which is 0.15 and multiply thirty percent by that and subtract thirty percent from 100% and get 70% which is 10.5