Question

2. The number added to twice the rational number -4/5 to get 1/15 is
a.4
b.5/3
c.10
d.7/15
​

Answer 1

Answer:

7/15................

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The number added to twice the rational number -4/5 to get 1/15 is

a.4

b.5/3

c.10

d.7/15

EVALUATION

Let x be the number

Then by the given condition

$\displaystyle \sf{}2 \times \bigg( - \frac{4}{5} \bigg) + x = \frac{1}{15}$

$\implies \displaystyle \sf{} - \frac{8}{5} + x = \frac{1}{15}$

$\implies \displaystyle \sf{} x = \frac{8}{5} + \frac{1}{15}$

$\implies \displaystyle \sf{} x = \frac{24 + 1}{15}$

$\implies \displaystyle \sf{} x = \frac{25}{15}$

$\implies \displaystyle \sf{} x = \frac{5}{3}$

FINAL ANSWER

$\boxed{ \displaystyle \sf{} \: Hence \: the \: required \: number \: = \: \: \frac{5}{3} \: }$

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LEARN MORE FROM BRAINLY

The angles of the triangle are

3x–40, x+20 and 2x–10

then the value of x is

(a) 40 (b) 35 (c) 50 (d) 45

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