As many times as you want makes most sense to me but they all fit in the sentence
Answer:
Mnemonic devices help learning easier by coming up with some "nonsense" phrases like:
Please P Parenthesis
Excuse E Exponents
My M Multiplication
Dear D Division
Aunt A Addition
Sally S Subtraction
(Just an example)
Some might be more effective than others because they ae easier to remember.
System. dnndndjsnswnwnsnsndb
If it's on a house post, I'm sure it's signifying that Yoruba will offer hospitality
