1.

a rational number is such that when you multiply it by 5/2 and add 2/3 to the product you get -7/2. what is the number

Answer» HEY MATE!! that's your answer-

let x be the rational NUMBER

according to QUESTION,

x* 5/2 + 2/3 = -7/2

x * (15 + 4)/6 = -7/2. ( by taking LCM of 2 & 3 we get 6 as denominator)

x* 19 /6 = -7/2

x \: = \frac{ - 7}{2} \times \frac{6}{19}

x = \frac{ - 21}{19}

so rational number = -21/19

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