Posted by **Katherine** on Monday, December 7, 2009 at 5:21pm.

A flying saucer filled with space aliens landed in my front yard! After the entire crew had filed out of their spaceship, I happened to count their heads and feet. I saw a total of 91 heads and 124 feet. It was clear that their leader was a purple creature with three heads and four feet. The rest of the space aliens each had two heads. The green ones had two feet and the blue ones had three feet.

How many of each type of creatures landed in my yard?

Green creatures_____________

Blue creatures______________

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**Ms. Sue**, Monday, December 7, 2009 at 5:23pm
Please do not keep reposting the same question. Give us at least a couple of hours for a tutor to respond.

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**bobpursley**, Monday, December 7, 2009 at 6:17pm
Ok subtracting leaders heads means 88 heads for green and blue.

Subtracting leaders feet, that leaves 120 feet for green and blue.

B*4+G*2=120

G+B=88/2

now solve for G, B

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**Anonymous**, Monday, March 1, 2010 at 10:25pm
24 of blue and green

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**Anonymous**, Monday, March 1, 2010 at 10:43pm
12 green, 32 blue because 12 x 2 = 24 and 32 x 3 = 96 and 24 + 96 = 120

also 12 = 32 = 44

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**anonymous**, Thursday, September 26, 2013 at 1:38am
you don't count the heads and the legs you run for dear life

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