Search found 2 matches

Return to advanced search

coin and interest math problem help  TOPIC_SOLVED

I've been sick and away from school and my teacher sent me 4 problems and I can't figure them out. If someone could help me figure this one problem out, then maybe I could figure out the rest. Okay, here is the problem- Sarah is overwhelmed with Christmas spirit and has given Santa's helper, Mini-me...
by white92
on Wed Dec 17, 2008 5:26 pm
 
Forum: Beginning Algebra
Topic: coin and interest math problem help
Replies: 4
Views: 4446

Re: coin and interest math problem help  TOPIC_SOLVED

Okay, I got stuck. I appreciate your help btw. :) $20=2x $10=3x $1=x Then I did (20)(2x)+(10)(3x)+(1x) 30+6x=285 I subtracted 30 from both places and got 6x=255 divided 6 by 255 but then came up with 42.5 so I did something wrong, I guess. Is the 1x supposed to be just x alone? so instead of adding ...
by white92
on Wed Dec 17, 2008 11:21 pm
 
Forum: Beginning Algebra
Topic: coin and interest math problem help
Replies: 4
Views: 4446

Return to advanced search

cron