He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
<h2>Correct answer:</h2><h3>Laura tiene tantos vestidos como Paula.</h3>
Here we use <em>comparison of equality, </em>so this just as Tan...como conveys the idea of as … as. This is used when referring that two nouns are equal to one another. To compare two nouns using another noun, we use the formula:
<em>tanto + noun + como </em>
So vestidos is a masculine plural noun. Finally, this sentence means:
<em>Laura has as many dresses as Paula.</em>
It’s *lógico* because in the supermarket you buy all those things so it’s correct