Answer:
multiplicative inverse
Step-by-step explanation:
A number that is multiplied by it's multiplicative inverse equals one.
A multiplicative inverse is also called a reciprocal.
Example:
1/7 is 7's multiplicative inverse.

I don’t know about a ratio table but she makes 18 dollars per hour
Step-by-step explanation:
Given that,
The dosage of Benadryl for Dog is 
Weight of Joel's Dog is 
(a) Benadryl dosage per pound for Joel’s dog is calculated as :

(b) If the weight of the Dog is 12 pounds, it means

Therefore, this is the required solution.