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Licemer1 [7]
3 years ago
15

An astronaut visited Mars. His weight on Earth was 180 pounds, and his weight on Mars was only 72 pounds. He removed a rock with

a weight of 16 pounds on Mars. What is the weight of the rock on Earth?
Mathematics
1 answer:
yaroslaw [1]3 years ago
5 0
The weight of the rock on Earth is 40 pounds.

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Answer:

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3 years ago
Total Price: The sales tax rate is 5%. If the sales tax on a 10-speed bicycle is $9, what is the purchase price?
Lesechka [4]

Answer:

The purchase price is $180

The total price is: $189

Step-by-step explanation:

Sales tax rate = 5\%

Sales tax on bike = $9

We need to find the purchase price.

Let purchase price = x

We know that Sales tax = 5% of x

and Total price = Purchase Price + Sales tax

So, we can write:

Sales tax = 5% of x

Putting values and finding x

9 =5\% \:of\: x\\9=\frac{5}{100}\:of\:x \\x= \frac{9*100}{5}\\x=180

So, the value of x i.e Purchase price = $180

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Now finding the total price of bicycle

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Total price = $189

So, The total price is: $189

6 0
2 years ago
Hey, I've been extremely confused with problems like :7x²-12x-4
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3 years ago
86 + qb= F mathematics
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Answer:

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Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Si 14 lápices cuestan 30
katrin2010 [14]
Then one pencil costs about 2.14 cents.
<span>Entonces un lápiz cuesta alrededor de 2.14 centavos.</span>
8 0
3 years ago
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