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Pre-Algebra 18 Online
OpenStudy (anonymous):

The force of gravity is less on Mars than it is on Earth. As a result, the weight of an object on Mars m is 40% of its weight on Earth w. Use your function to find the weight on Mars of a space probe that weighs 15 lb on Earth.

OpenStudy (tkhunny):

What is 40% of 15 lb?

OpenStudy (anonymous):

can you help me out with it

OpenStudy (tkhunny):

What is 100% of 15 lb?

OpenStudy (anonymous):

6.80388555 kilograms

OpenStudy (tkhunny):

Any particular reason we changed to kg? Why didn't you get 6.81818? Anyway, if 100% of 15 lb is 15 lb What is 50% of 15 lb?

OpenStudy (anonymous):

3.40194278

OpenStudy (tkhunny):

Again, why are we in kg? Are the possible answers in kg? How did you find that value. Given 6.81818 kg, how did you determine that 50% of that is 3.402?

OpenStudy (anonymous):

can you explain answer

OpenStudy (tkhunny):

You didn't answer my question.

OpenStudy (anonymous):

i guess.

OpenStudy (tkhunny):

Well, then you cannot solve this problem. Good luck.

OpenStudy (anonymous):

well thank you anyway

OpenStudy (tkhunny):

I do not believe that you guessed that many decimal places or that you randomly converted to kg. Did you use a calculator? What buttons did you press?

OpenStudy (anonymous):

Don't worry about it ill solve it on my own.

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