Repeat an image

I have the following.

<$Img:Human-brain;h=72>

How do I repeat it thrice horizontally? If I do this
<$Img:Human-brain;h=72><$Img:Human-brain;h=72><$Img:Human-brain;h=72>
it repeats thrice vertically.

How wide is the image? Maybe it’s splitting to a new line because it won’t fit horizontally.

300x300 I’ll try resizing it. Can I do it in the binder or do I have to resize it on my mac and then reupload?

I changed it to 16x16. It show like this in the compile window.

However, the actual ePub looks: