Tierra's equation: 1.05 x 100 = 105. She will have $105 in her savings account Cameron's equation. 100 + 0.005 x 100 = 100.5. She will have $100.5 in her savings account. Justice's equation: 100 x 1.005 = 100.5. She will have $100.5 in her savings account. The account either has $105.00 or $100.50.