From the given equations below,

(1) 6x + 6y = 7.50
(2) 10x + 5y = 8.75

Solving for the values of x and y simultaneously gives an answer of x = 0.5 and y = 0.75.
Thus, the cost of apples and oranges are $0.5 and $0.75, respectively.

5 0

3 years ago

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Use the perimeter formula P = 21 + 2w to find the length, 1, of a rectangular lot if the width, w, is55 feet and the perimeter,

jeka94

Given:

The width of a rectangle = W = 55 feet

And the perimeter of the rectangle = P = 270 feet

We will find the length (L) of the rectangle using the perimeter formula:

$P=2L+2W$

So, substitute with P and W, then solve the equation to find L

The steps will be as follows:

$\begin{gathered} 2L+2\cdot55=270 \\ 2L+110=270 \\ 2L=270-110 \\ 2L=160 \\ L=\frac{160}{2}=80 \end{gathered}$

So, the answer will be The length L = 80 feet

8 0

1 year ago