The answer that says "Fran buy 6 smoothies," is the correct one because on the diagram it shows 6 yellow parts from 8, and 6 x
equals
The bottom right instructs you to multiply 8 times, which is incorrect, both top left and top right are incorrect because
is improper and also doesn't match with the picture shown in the top right of the page.
Hope this helps you with whatever problem you may have.