Posted by **Linda** on Monday, December 12, 2011 at 7:12pm.

A flying saucer filled with space aliens landed in my front yard!After the entire crew had filled 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 creature landed in my yard?

______GREEN ONES ______BLUE ONES

- algebra -
**Steve**, Tuesday, December 13, 2011 at 11:04am
h = heads = 91

f = feet = 124

3 + 2g + 2b = 91

4 + 2g + 3b = 124

2g + 2b = 88

2g + 3b = 120

b = 32

g = 12

Call 911!

- algebra -
**mateo**, Wednesday, November 20, 2013 at 4:11pm
I think the green creatures had about 12 and for the amount of blue creatures is 32 and the exception of the leader of the aliens which states that it had 3 heads and 4 feet to complete the solution of this problem.

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