Answer:
The answer is B. Associative.
Step-by-step explanation:
The reason why its B because the associative property states that even if the numbers are regrouped, the answer will still be the same.
I might be wrong
Answer:
<h2>It takes 36 minutes to fill the bathtub using just hot water.</h2>
Step-by-step explanation:
We are gonna name V the complete volume of the bathtub, which is filled a certain amount of minutes. Each filling rate or speed is gonna be expressed as: .
So, if we apply this consideration to each case we have:
Using cold and hot water:
Using only cold water:
Using only hot water: ; because we don't knot the time it takes to fill the bathtub with hot water.
Now, as you can see, Cold and Hot water is a sum of cold water only and hot water only:
Solving the equation for <em>x: </em>
Therefore, it takes 36 minutes to fill the bathtub using just hot water.