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By what number should -38 be multiplied so that the product is -916? - Mathematics

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Question

By what number should `(-3)/8` be multiplied so that the product is `(-9)/16`?

Sum

Solution

Number = `(-3)/8 ÷ (-9)/16`

We can write it as

`= (-3)/8 xx 16/(-9)`

By further calculation 

`= 2/3`

`= 1 1/2`

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Concept for Problem Solving Using Operations on Rational Numbers
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Chapter 2: Rational Numbers - Exercise 2 (D)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (D) | Q 11
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