Answer:
5x + 1 = 4x
You can really put any letter for "a number":
5n + 1 = 4n
Answer: 50% increase
Step-by-step explanation:
Think of 20 as 100%
Half of 20 is 10 which is 50% in this scenario.
30-20=10
This means that the price of the item increased by 50% or 10.
There’s no pic of the answer sorry
Answer:
13.5
Step-by-step explanation: