Answer:
Andre has more money because he has $120 in his account after four weeks and Elena has $90 in her account after four weeks and $120 in more than $90.
Explanation:
$5 * 4 = $20
$20 * 4 = $80
$100 + $20 = $120
$10 + $80 = $90
Andre = $120
Elena = $90