Answer:
Janet has coins worth 252.5, 101, and 50.5.
Step-by-step explanation:
Let us call the three coins
, and
.
The first coin
is 5 times another coin<em> (let's say </em>
); therefore,
,
and the third coin is 2 times the value of another coin<em> (it's coin </em>
<em>):</em>
<em />
<em>.</em>
The total worth of all coins is 404; therefore,

or



with the value of
in hand, we find
and
:


and for 


Thus, Janet has 3 coins worth 252.5, 101, and 50.5.
6% = 0.06
multiply:
62900*0.06 = 3,774 ( Would be the amount of increase)
add:
62900 + 3774 = 66,674 (would be the new total)
18<span>,36,54,72,90,108,126,144,162,180,198,216,234,252,
hope this helps!</span>