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CHAPTER 11

UNDERSTANDING RATIOS,PROPORTIONS,AND PERCENTS

AB
RATIOCOMPARES TWO QUANTITIES
PROPORTIONA STATEMENT THAT TWO RATIOS ARE EQUAL
CROSS PRODUCTSMULTIPLY AT A DIAGONAL
EQUATIONA MATHMATICAL SENTENCE WITH THE = SYMBOL
SIMILAR FIGURESFIGURES WITH THE SAME SHAPE BUT NOT THE SAME SIZE
CONGRUENT FIGURESFIGURES WITH THE SAME SHAPE AND SIZE
PERCENTA WORD MEANING HUNDREDTHS OR OUT OF 100
DATAA COLLECTION OF GATHERED INFORMATION THAT HAS NOT BEEN ORGANIZED
FRACTIONS AS DECIMALSDENOMINATOR INTO NUMERATOR
50 % OF 6001/2 TIMES 600=300 OR .50 TIMES 600= 300
WHAT % OF 15 IS 6THE NUMBER ON THE RIGHT IS THE DENOMINATOR,THE NUMBER ON THE LEFT IS THE NUMERATOR
33 1/3 % OF 45N=1/3 TIMES 45 = 15


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