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Tresset [83]
3 years ago
7

If 30 is the total number of starbursts in a bag, how many starbursts are 70% of the bag?

Mathematics
1 answer:
daser333 [38]3 years ago
8 0
Ten percent is 3 starburst because to find ten percent you divide the total number by ten. now to find 70 percent you times ten percent by seven. 3 x7 = 21 :)
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the area of a rectangle is 30 to the square root of 3750 square inches, and the length is 3 to the square root of 250 inches. wh
uranmaximum [27]
<h3><u>Answer</u><u>:</u></h3>

  • \sf { width =10 \sqrt{15} \:inches}

<h3><u>Solution</u><u>:</u></h3>

<em>We are given that:</em>

  • Area of rectangle is 30√3570
  • Length of the rectangle is 3√250

<u>Area </u><u>of </u><u>rectangle </u><u>is </u><u>given </u><u>by:</u>

\implies\quad{\pmb{ \sf{Area = length\times width}} }

<u>Hence, putting the values in the formula:</u>

\implies\quad \sf{ A = l\times w}

\implies\quad \sf{ 30\sqrt{3750}=3\sqrt{250}\times w}

\implies\quad \sf{3\sqrt{250}\times w = 30\sqrt{3750} }

\implies\quad \sf{ w =\dfrac{30\sqrt{3750}}{3\sqrt{250}}}

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\implies\quad \underline{\underline{\pmb{\sf{ w =10\sqrt{15}}}}}

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