Homework Help: 5th grade math

Posted by Anonymous on Monday, November 26, 2012 at 5:12pm.

the press was invented about 1450 and had little change for 350 years. since then many changes have been made. how many decades have changes been occurring?

5th grade math - Ms. Sue, Monday, November 26, 2012 at 5:14pm
1450 + 350 = 1800

2012 - 1800 = 212

212 / 10 = 21 decades
5th grade math - talal, Sunday, December 2, 2012 at 1:07pm
50 out of350studentwho sat a test scored less than 50 marks what percent scored less than 50 marks

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