Mathematics: Brooklinn and Demetrius took a total of 115 photos at the science museum. Demetrius took 4 times more photos than Broolinn. How many photos did Demetrius take?

Brooklinn and Demetrius took a total of 115 photos

Ответ:

Laylahlettiere

19.01.2022

Step-by-step explanation:

Brooklinn and Demetrius took a total of 115 photos total, and if Demetrius took 4x as much we will know that Brooklinn will have the same amount of photos as Demetrius if he only took 1x as much.

So we will do 115 / 5 = 23 then

23 x 4 = 92

92 + 23 = 115

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Ответ:

tatayanamarie5909

20.10.2020

Mathematics

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h~~
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter = d\\
r=\frac{d}{2}
\end{cases}\implies V=\pi \left( \frac{d}{2} \right)^2 h
\\\\\\
V=\pi \left( \frac{d^2}{2^2} \right)h\implies V=\cfrac{\pi d^2 h}{4}\implies 4V=\pi d^2 h\implies \cfrac{4V}{\pi d^2}=h$

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Brooklinn and Demetrius took a total of 115 photos at the science museum. Demetrius took 4 times more photos than Broolinn. How many photos did Demetrius take?

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