Answer:

Step-by-step explanation:
Every integer is a rational number.
Answer:
$3.7625
Step-by-step explanation: I may be wrong but...
If you find 75% of $2.15 it is equal to $1.6125.
Since in "increases" we are going to add $1.6125 to $2.15.
You get the answer of $3.7625.
The answer is b just because inequality