Question

A rational number is such that when u multiply it by 5/2 and add 2/3 to the product u get 7/12. What is the number?

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

☆sOLUTIOn☆

Let the rational number = X

x is multiplued with 5/2 = 5x / 2

According to the Question

$\longrightarrow$ 5x / 2 + 2/3 = - 7/12

$\longrightarrow$ 5x / 2 = - 7/12 - 2/3

$\longrightarrow$ 5x / 2 = (- 7 - 8) / 12

$\longrightarrow$ 5x / 2 = - 15/12

$\longrightarrow$ x = (- 15/12)(2/5)

$\longrightarrow$ x = - 30/60

$\longrightarrow$ x = - 1/2

Therefore, the number is x = -1/2

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hope it helps! °-°