The correct question is
<span>Keiko sold 3 less than three-fourths of his sister’s sales. Which expression represents what Keiko sold?
Let
S----------------> </span><span>the amount that Keiko's Sister sold
</span>K----------------> the amount that Keiko sold
we know that
Keiko sold 3 less than three-fourths of his sister’s sales
K=(3/4)*S-3
the answer is
K=(3/4)*S-3
<span><span>1331 and 2197 is your Answer</span></span>
Answer:
a= 15
a18= 267
Step-by-step explanation:

The answer will be the third one: Yes, because the total will be $37.50.