anonymous
  • anonymous
Marie has $830 in her bank account and withdraws $60 each month. Denise has $970 in her bank account and withdraws $80 each month. In how many months will Marie and Denise have equal amounts of money in their accounts? A. 4 B. 5 C. 7 D. 9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Directrix
  • Directrix
Marie has 830 and removes 60 per month. 830 - 60*m is the amount Marie has after m months Denise has 970 and removes 80 per month. 970 - 80*m is the amount Denise has after m months.
Directrix
  • Directrix
@raventayler13 Solve this equation for m. 830 - 60*m = 970 - 80*m
Directrix
  • Directrix
Post what you get, okay?

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anonymous
  • anonymous
ok i think i got it is this it? Simplifying 830 + -60m = 970 + -80m Solving 830 + -60m = 970 + -80m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '80m' to each side of the equation. 830 + -60m + 80m = 970 + -80m + 80m Combine like terms: -60m + 80m = 20m 830 + 20m = 970 + -80m + 80m Combine like terms: -80m + 80m = 0 830 + 20m = 970 + 0 830 + 20m = 970 Add '-830' to each side of the equation. 830 + -830 + 20m = 970 + -830 Combine like terms: 830 + -830 = 0 0 + 20m = 970 + -830 20m = 970 + -830 Combine like terms: 970 + -830 = 140 20m = 140 Divide each side by '20'. m = 7
Directrix
  • Directrix
Yes. Which website is that from? There is mathpapa.com and one with a pirate. I'm just wondering.
anonymous
  • anonymous
http://www.geteasysolution.com i like this website for these things when there's an ='s involved with something on the both sides i go to this site. @Directrix
Directrix
  • Directrix
Thanks. The site I used did not allow for copying and pasting. So, I've been looking for something better.
anonymous
  • anonymous
oh well this is better but not all math problems can be solved on this site so i use 2 sites that one and https://mathway.com/ to solve problems. @Directrix
Directrix
  • Directrix
I'll check it, too. Thanks.
anonymous
  • anonymous
welcome

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