3 years ago

A number when added to it's two thirds is equal to 55 find the number

1 answer:

8 0

Answer:

<h2>Let the number is = X </h2><h2>Two thirds of the number = 2x/3</h2><h2 /><h2>According to the problem given,</h2><h2>x+ 2x/3 = 55</h2><h2>( 3x + 2x ) /3 = 55</h2><h2>5x /3 = 55</h2><h2>x = ( 55 × 3 ) /5</h2><h2>x = 11 × 3</h2><h2>x = 33 </h2>

<h2>Therefore,</h2><h2>Required number = x = 33</h2>

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3 years ago

3 2 ? start fraction, 2, divided by, 3, end fraction of the doughnuts in a box have frosting. \dfrac12 2 1 ? start fraction, 1,

timurjin [86]

Answer:

$\frac{1}{3}$ of the doughnuts in the box have frosting and sprinkles.

Step-by-step explanation:

If there are $x$ doughnuts in the box. Then, $\frac{2}{3} \times x = \frac{2x}{3}$ of the doughnuts in the box have frosting. Therefore, $\frac{1}{2} \times \frac{2x}{3} = \frac{1}{3}x$ of the doughnuts with frosting have sprinkles. This implies that $\frac{1}{3}$ of the doughnuts in the box have frosting and sprinkles.