Answer:
0.125, 0.25, 0.4, 0.666...
Harley, Olga, Kayla, Karla
Step-by-step explanation:
Change each number into a decimal, then compare them.
Karla saved 2/3 = 0.666...
Olga saved 25% = 0.25
Harley saved 1/8 = 0.125
Kayla saved 0.40 = 0.4
From least to greatest:
0.125, 0.25, 0.4, 0.666...
Harley, Olga, Kayla, Karla