Gabi and Lola are solving 0.3x + 4.5. Gabi's work: 0.3x/3 = 4.5/3, x = 15. Lola's work: 0.3x/0.3 = 4.5/0.3, x = 15. Explain.
0.3x = 4.5
(3/10)x = 4 + 1/2
(3/10)x = 9/2 multiply through by 10/3
x = (9/2) (10/3) = 90 / 6 = 15
