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Grade 7 Chapter 6


benchmark common numbers that serve as points of reference
commission a fee paid to a person for making a sale
commission rate the fee paid to a person who makes a sale expressed as a percent of the selling price
compatible numbers numbers that are close to the given numbers that make estimation or mental calculation easier
estimate an answer that is close to the exact answer and is found by rounding or other methods
interest the amount of money charged for borrowing or using money
percent a ratio comparing a number to 100
percent change the amount stated as a percent that a number increases or decreases
percent decrease a percent of change describing a decrease in a quantity
percent increase a percent of change describing a increase in a quantity
principal the initial amount of money borrowed or saved
rate of interest the percent charged or earned on an amount of money
sales tax a percent of the cost of an item
simple interest a fixed percent of the principal used in the formula I =Prt
Created by: bookannelid