The late fee for library books is $2.00 plus 15 cents each day for a book that is late. If Monica's late fee is $2.75, how do you write and solve a linear equation to find how many days late her book is?

Question

10460 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-11-07T05:05:55

#LF=$2.00+$0.15Dto# Linear equation

Monica's book is #5# days late.

Late fee consists of #$2.00# fine plus #$0.15D# fee or each day:

#LF=$2.00+$0.15Dto# Linear equation

Then:

#$2.75=$2.00+$0.15D#

#$2.75-$2.00=$0.15D#

#$0.75=$0.15D#

#(cancel($0.75)(5))/cancel($0.15)=D#

#5=D#