Answer:
I would say its 24 hope this helps
Independent variable (IV): something the scientist can change.
Thus, in this case, the IV can be the weight of the person.
Answer:

Step-by-step explanation:

So for this you just want to divide 4/5 by 9/10 because it is the opposite of the equation.
9/10 / 4/5
To divide fractions, you just multiply and reverse the second fraction.
For example:
9/10 * 5/4
Now you can just normally multiply.
45/40
Or, simplified,
9/8
(Or 1 1/8)