Answer:
see the procedure
Step-by-step explanation:
Identify
Let
x ---> the cost of the Xbox one at Walmart
Strategy
we know that
The cost of the Xbox one at Walmart multiplied by 2 plus $50 must be equal to $450
Set up
The algebraic expression that represent this situation is
Solve
solve for x
Check
substitute the value of x in the equation
----> is ok
it would be 27
the inside of a right triangle is 180 degrees, so you add the right angle (90) and the 63 to get 153 and then subtract that from 180
6 hours...............