An explanation of how to figure out a tip of 15% or 20% of an amount by multiplying the percentage as a decimal or by using a shortcut. How to quickly determine a tip with mental math.
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Grade 7 Math Playlist
Grade 7 Math #5.1a, Find a percent increase between two amounts
Grade 7 Math #5.1b, Find a percent decrease between two numbers
Grade 7 Math #5.1c, Using and finding a percent of change
Grade 7 Math #5.2, Calculate Markup or Markdown
Grade 7 Math #5.3, Using percentages in the Real World