On October 16, the Moore family received 23 pieces of mail, consisting of ads, magazines, bills, and letters. If they received three more magazines than bills, five more letters than magazines, and the same number of ads as bills, how many ads did they receive?
Answer
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i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

and 1and 1

thermal energy is the answer