Homework Help: math

Posted by pinky on Thursday, December 8, 2011 at 8:26pm.

an average sized female spider and a large spider can lay a total of 2,100 eggs at one time.The large spider lay 20 times the number of eggs as the average sized spider.How many eggs does the average sized spider lay?

math - Ms. Sue, Thursday, December 8, 2011 at 8:36pm
Let a equal the average sized spider.

a + 20a = 2,100

Solve for a.

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