The value of (x-y) is 16
Further explanation:
We have to use the given values to find the value
Given

We will use:

Simplifying by using: 
So,

As we know that x+y=4
Putting the value in equation

Dividing both sides by 4

The value of (x-y) is 16
Keywords: Algebraic formulas, Simplification
Learn more about algebraic expressions at:
#LearnwithBrainly
327421537466 and yes i did all of this that fast
Answer:
Step-by-step explanation:
(285)=13p+108
177=13p
p= 13.62 lbs
10% of 40 =
10% × 40 =
.10 × 40 = 4.00
Tax is $4
Amount Paid is 40 + 4 = $44