SOLUTION: Three months ago, Jane had five times as many DVDs as Duncan. Since then they have bought 12 more DVDs Both Jane now has twice as many as Duncan. How many DVDs does Jane have now?

Algebra.Com
Question 736669: Three months ago, Jane had five times as many DVDs as Duncan. Since then they have bought 12 more DVDs Both Jane now has twice as many as Duncan. How many DVDs does Jane have now?
Thank you

Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
Let Duncan had x DVDs 3 months ago and Jane had 5x
they each bought 12 and now Jane has twice as many as Duncan
5x+12 = 2*(x+12) and
5x+12 = 2x+24 gives
3x = 12 and x =4
Jane now has 2*(4+12) or 32 DvDs

RELATED QUESTIONS

Tom is 8 years older than Jane. Five years ago Tom was three times as old as Jane. How... (answered by mananth)
mark is three times as old as jane is now. in three years, mark will be twice as old as... (answered by stanbon)
Jorge has 5 more than twice the number of DVDs as Ahmed. Kaitlin has the same number of... (answered by ReadingBoosters)
Hi jane and john had some marbles. After jane gave john some marbles, he had 3 times as... (answered by josgarithmetic)
Fred is twice as old as Jane. Five years ago he was three times as old. What is Jane's... (answered by shahbazn)
ten years from now tom will be twice as old as jane was when mary was nine times old as... (answered by ankor@dixie-net.com)
FIND ALL POSSIBLE SOLUTIONS Shopping for gifts Last Christmas, Miriam Bought 4 More... (answered by CubeyThePenguin)
Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane.... (answered by josgarithmetic,greenestamps)
d+7+2(d+7)+3d+d+1=182 i was tryin to help my niece with her work but its been awhile... (answered by stanbon,MathTherapy)