Question

Will Give reward Please HELP
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

Answer 1

answer is c

Answer 2

830 - 60m = 970 - 80m --- add 80m to both sides
830 - 60m + 80m = 970 --- subtract 830 from both sides
-60m + 80m = 970 - 830 -- combine like terms
20m = 140 -- divide both sides by 20
m = 140/20
m = 7

They will both be equal in 7 months

830 - 60m = 970 - 80m
830 - 60(7) = 970 - 80(7)
830 - 420 = 970 - 560
410 = 410

and they will both have $ 410 in their account

Answer 3

maria 830 -60 denis 970-80
1. 770-890
2. 710-810
3. 650-730
4.590-650
5.530-570
6 470-490
7. 410-410
8. 350-330
9. 290-250
from the startng total you make a chart and subtract their withdrawls from each side to give an answer