AnnethH71351 AnnethH71351
  • 25-10-2022
  • Mathematics
contestada

solve the following problems by writing a proportion. a) what is 70% of 4b) 5 is what percent of 20?

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BurhanuddinF142043 BurhanuddinF142043
  • 25-10-2022

We have in a) that

[tex]\begin{gathered} 70\cdot\text{ }\frac{4}{100}\text{ = }\frac{\text{70 }\cdot\text{ 4}}{100} \\ =\text{ 2.8} \end{gathered}[/tex]

So the answer for a) is 2.8

Now in b) we have that

[tex]5\cdot\text{ }\frac{100}{20}\text{ = 25}[/tex]

So the answer for b) is 25%.

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