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Computer Science 7 Online
OpenStudy (anonymous):

mars is 228,000,000 km from the sun how many minutes does it take light from the Sun to reach mars? PS light travels 300,000 km per minute

OpenStudy (anonymous):

please help

OpenStudy (anonymous):

You have a distance and a speed. Have you been introduced to this formula? time = distance / speed

OpenStudy (anonymous):

nopee

OpenStudy (anonymous):

can u help me work it out?

OpenStudy (anonymous):

Well, you have your distance, 228,000,000 km and your speed, 300,000 km/min. They're already using the units you want (both km, so they can cancel, and speed is in minutes), so you don't need to worry about conversion. What you're being asked to do is divide 228,000,000 by 300,000.

OpenStudy (anonymous):

but i have allot of trouble with dividing so let me work it out then ill tell u

OpenStudy (anonymous):

Why not just use a calculator?

OpenStudy (anonymous):

i have to show my work

OpenStudy (anonymous):

Ah, what class is this for?

OpenStudy (anonymous):

science my teacher is mean

OpenStudy (anonymous):

Generally, for science, 'show working' means using the formulas and plugging in values. It doesn't often require you to use long division.

OpenStudy (anonymous):

i canttt

OpenStudy (anonymous):

What part are you having trouble understanding?

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