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kvasek [131]
3 years ago
6

Melanie buys a carrying case for her new laptop, which costs 125% as much as her old laptop case. The price of her new laptop ca

rrying case is $65. If n represents the cost of her old laptop carrying case, which proportion can be used to find n?
I REALLY NEED HELP PLEASE:)
Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

The cost of her old laptop would be $52.

Step-by-step explanation:

\frac{125\%}{65 \: dollars}  =  \frac{100\%}{n}

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The perimeter of a rectangle is 162 inches. what are the dimensions of the rectangle if the length is 7 times than 3 times the w
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Step-by-step explanation:

Given that,

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l = 7(3b) = 21b ...(1)

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