Answer:
r = 1
Step-by-step explanation:
In this question, we have to solve for the vallue of "r". We will use the distributive property shown below to ease our process.
Distributive Property:
a(b+c) = ab + ac
Now, lets solve this:
As we have seen the value of r is "1"
Answer:
Price of each phone:
Price of each accessory:
Step-by-step explanation:
Let be "p" the price in dollars of each phone and "a" the price in dollars of each accessory.
Set up a system of equations:
You can use the Elimination Method to solve the system.
Multiply the second equation by -2 and add both equations:
Substitute the value of "a" into the first equation and solve for "p":