3 years ago

Pls helppppppppppppp Which equation represents a proportional relationship between x and y?

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

3 0

Answer:

either G y or J y

Step-by-step explanation:

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3 years ago

Elsie bought a video game for $85.00. If the store charges 170% of its cost for the game, how much is the store’s profit?

Anettt [7]

If we take 85 to be the 100%, how much is the retail price, namely the 170%?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
85&100\\
x&170
\end{array}\implies \cfrac{85}{x}=\cfrac{100}{170}\implies \cfrac{85\cdot 170}{100}=x$

so the retail price is "x", thus the profit will be x - 85.

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3 years ago