(11-02-2017, 10:27 AM)Keith Wrote: Cosmic rays have revealed a new chamber in Egypt’s Great Pyramid

https://www.newscientist.com/article/215...t-pyramid/

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Quote:algebra

posted by Sarah Thursday, November 12, 2009 at 11:48am.

I need help badly with this assignment. If Venus is 33.3 million miles farther from the sun than Mercury, then Earth is 25.6 million miles farther from the sum than venus. When the total of the ditances for these three planets from the sum is 191.2 million miles, how far away from the sun is Mercuryhttps://www.jiskha.com/display.cgi?id=1258044491

- algebra - drwls Thursday, November 12, 2009 at 12:35pm

Let the sun distances be M, V and E, in millions of miles

V - M = 33.3

E - V = 25.6

M + V + E = 191.2

The last two equations, when subtracted, tell you that

M + 2V = 165.6

Adding that to the first equation tells you that

3V = 198.9, so V = 66.3

Since V - M = 33.3, M = 33.0 (million miles)

- algebra - Sarah Thursday, November 12, 2009 at 12:55pm

Thank you Drwls

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