tag:blogger.com,1999:blog-13258502.post113346723706058049..comments2015-07-26T20:58:26.844-04:00Comments on NYC Educator: New MathNYC Educatorhttp://www.blogger.com/profile/12188066345722781723noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-13258502.post-15390310515320945872011-04-24T14:30:45.103-04:002011-04-24T14:30:45.103-04:00# of chickens = c, # of pigs = p, # of heads = to...# of chickens = c, # of pigs = p, # of heads = total # of living critters = 70<br /><br />p + c = 70<br /><br />4p + 2c = 200 (4p = # of pigs' legs, 2c = # of chickens' legs)<br /><br />Now, substitute, eliminate or equate.<br />Substitute 70 - p for c in the second equation and solve for p OR<br /><br />Substitute 70 - c for p in the second equation and solve for c OR<br /><br />Subtract twice the first equation from the second to eliminate the c variable and then solve for p OR<br /><br />Subtract four times the first equation from the second to eliminate the p and then solve for c OR<br /><br />Rewrite the first equation as c = 70 - p and rewrite the second as c = 100 - 2p, then set the expressions on the right-hand sides equal and solve for p. OR<br /><br />Rewrite both to get p alone on the left, then solve for c.Agitated-not-Disturbednoreply@blogger.comtag:blogger.com,1999:blog-13258502.post-1472906498920337482011-04-24T12:24:59.214-04:002011-04-24T12:24:59.214-04:00how would you solve this algebraiclly, step by ste...how would you solve this algebraiclly, step by step.<br />By the way ,i think the first post was very funny.Jordan_vincentnoreply@blogger.comtag:blogger.com,1999:blog-13258502.post-1133660390875411292005-12-03T20:39:00.000-05:002005-12-03T20:39:00.000-05:00I wasn't complaining about the math, actually.If t...I wasn't complaining about the math, actually.<BR/><BR/>If that interests you, I recommend Instructivist's comments on the explanations offered.NYC Educatorhttps://www.blogger.com/profile/12188066345722781723noreply@blogger.comtag:blogger.com,1999:blog-13258502.post-1133487665369813322005-12-01T20:41:00.000-05:002005-12-01T20:41:00.000-05:0030 pigs40 chickensWhat is so difficult?30 pigs<BR/>40 chickens<BR/><BR/>What is so difficult?Anonymousnoreply@blogger.com