OpenStudy (anonymous):

anna has a total of 41 coins, which consist of nickels and quaters. her coins hace a total value of $5.45. How many of each coin does she have? set up two equations and then solve 5 years ago OpenStudy (anonymous): @tkhunny could you help 5 years ago OpenStudy (anonymous): @jim_thompson5910 could you help me 5 years ago OpenStudy (anonymous): @Directrix @hartnn can any of you guys help?? im desperate 5 years ago OpenStudy (anonymous): x+y=41 0.05x + 0.25y = 5.45 Do Elimination: x+y = 41 4(0.05x+0.25y = 5.45) --> 0.2x+y=21.8 Subtract the like values which is y.: 0.2x-x = 41-21.8 -0.8x = 19.2 Solve for x= 24 Plug x back into original question: x + y = 41 24+y = 41 y=17 x=24 nickels y=17 quarters Check: 25(0.05) +7(0.25) =$5.45

5 years ago
OpenStudy (anonymous):

thanx a ton

5 years ago
OpenStudy (anonymous):

Sure, let me know if you need anymore help.

5 years ago
OpenStudy (anonymous):

i do im about to post my last one

5 years ago