Answer:
4
Step-by-step explanation:
20÷4=5 so 16÷4=4 :))
Hope that helps.
Answer:
9 months
Step-by-step explanation:
Becase in 8 months he can pay 3200 but another month also need to pay ramining money
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":
