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​A RATIO IS A COMPARISON OF TWO NUMBERS.RATIOS CAN BE WRITTEN IN THREE DIFFERENT WAYS ...........A TO B, A:B........RATIO IS AFRACTION ,B CAN NOT BE ZERO

​RATIOS ARE EXPRESSED IN SIMPLEST FORM..

​RATIOS CAN BE WRITTEN IN THREE DIFFERENT WAYS.

​EXAMPLE:USING A CALON --1:3

​ USING THE WORD "TO"--1 TO 3

​ USING A FRACTION BAR--1

​ 3

​WHAT IS RATIO?

​WHAT IS RATIO AND PROPORTION?

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THE SMALLEST PLANET IN OUR SOLAR SYSTEM AND NEAREST TO THE SUN ,MERCURY​ IS ONLY SLIGHTLY LARGER THAN EARTHS MOON.FROM THE SURFACE OF THE MERCURY,THE SUN WOULD APPEAR MORE THAN THREE TIMES AS LARGE AS IT DOES WHEN VIEWED FROM EARTH,AND THE SUNLIGHT WOULD BE AS MUCH

​AS SEVEN TIMES BRIGHTER

​DID YOU KNOW

​MERCURY HAS A DIAMETER OF 3,032 MILES (4,879KM) MAKING IT A LITTLE MORE THAN ONE THIRD THE SIZE OF THE EARTH.IF EARTH WERE THE SIZE OF A BASEBALL,MERCURY WOULD BE ABOUT THE SIZE OF A GOFTBALL.

​THANK YOU