
If

and

share no common elements, then

, which means

On the other hand, if the smaller set is entirely contained within the larger set, i.e.

, then

, and so

.
Answer:

Step-by-step explanation:
The given equation is :

We need to solve it using inverse operations.
Subtract 5 from both sides of the equation.

So, the solution of the given equation is
.
$31+50%
31*.5=$15.50
The priceof markup is $15.50
Answer:
42
Step-by-step explanation:
1/6in made into a decimal is 0.16666... so I rounded it to 0.17.
256 divided by 6.17= 41.9773096 which rounded to the nearest whole number is 42.