3 years ago

Find the dimensions of a rectangle with area 343 m2 whose perimeter is as small as possible.

1 answer:

3 0

I hope this helps you

Area=length.width

343=l.w

7.7.7=l.w

l=49

w=7

Perimeter=2 (49+7)

Perimeter=2.56

Perimeter=112

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Answer:

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Step-by-step explanation:

Let $b$ represent the number of black printer ink cartridges sold. Let $c$ represent the number of color printer ink cartridges sold.

Set up a system of equations:

$\displaystyle\\\begin{cases}b+c=59\\17.99b+20.99c=1,118.41\end{cases}$

$b+c=59\implies b=59-c$

Substitute:

$\displaystyle\\17.99(59-c)+20.99c=1,118.41\\\implies c=\boxed{19}$

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