3 years ago

Write the sum as a product of the GCF and a sum: 39 + 91

Mathematics

1 answer:

zysi [14]3 years ago

4 0

13(3 + 7)

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4 years ago

Pls help!!!!

iris [78.8K]

from 300 to 250 is well, just a change of 50 units.

if we take the 300 as the 100%, what is 50 off of it as percentage?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 300&100\\ 50&x \end{array}\implies \cfrac{300}{50}=\cfrac{100}{x}\implies 6=\cfrac{100}{x}\implies 6x=100 \\\\\\ x=\cfrac{100}{6}\implies x=\cfrac{50}{3}\implies x=16.666666\overline{6}\implies \stackrel{\textit{rounded up}}{x = 16.7}$