Maharashtra State BoardSSC (English Medium) 9th Standard
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Using the Property a B = a K B K , Fill in the Blanks Substituting Proper Numbers in the Following. - Algebra

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Sum

Using the property `a/b = (ak)/(bk)` , fill in the blanks substituting proper numbers in the following.
`5/7` = `(.......)/28 = 35/(.......) = (.........)/3.5`

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Solution

28 = 7 × 4, 35 = 5 × 4, 3.5 = 7 × 0.5
Now,
`5/7 = (5 xx 4)/(7 xx 4) = (5 xx 7)/ (7 xx 7) = (5 xx 0.5)/( 7 xx 0.5)`

⇒ `5/7 = (20)/( 28) = (35)/(49)= ( 2.5)/ (3.5)` 

Concept: Concept of Ratio
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APPEARS IN

Balbharati Mathematics 1 Algebra 9th Standard Maharashtra State Board
Chapter 4 Ratio and Proportion
Practice Set 4.2 | Q 1.1 | Page 63
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