By what numbers should we multiply -15/20 so that the product may be -5/7?

Solution:

Given one number is -15/20 = -3/4

Product is -5/7

Let the number be x

x × (-3/4) = -5/7

x = -5/7 × -4/3

x = 20/21

Therefore, the other number is 20/21

✦ Try This: By what numbers should we multiply -30/10 so that the product may be -2/5

Given one number is -30/10 = -3

Product is -2/5

Let the number be x

x × (-3) = -2/5

x = 2/15

Therefore, the other number is 2/15

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 1

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NCERT Exemplar Class 8 Maths Chapter 1 Problem 128

By what numbers should we multiply -15/20 so that the product may be -5/7?

Summary:

By 20/21 numbers should we multiply -15/20 so that the product may be -5/7

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☛ Related Questions:

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