Question

A rational number is such that when you multiply it by 5/2and add2/3to the product ,you get-7/12.What is the number
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Answer 1

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Answer 2

Answer:

Let the rational number be x.

Now this rational number is multiplied by

2

5

and the resultant is added to

3

2

.

According to the question, we have

2

5

x+

3

2

=

12

−7

2

5

x=−

3

2

−

12

7

2

5

x=

12

−8−7

x=−

12

15

×

5

2

∴x=−

2

1