Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Quick Copy recently charged 49¢ per page for color copies and 7¢ per page for black-and-white copies. If Shirlee’s bill for 90 copies was $11.34, how many copies of each type were made?

OpenStudy (anonymous):

Simply set up an equation: 11.34=0.49(c)+0.07(b) and : c+b=90

OpenStudy (anonymous):

Now solve the second equation for one variable and then plug that into the first equation

OpenStudy (anonymous):

sorry im very confused

OpenStudy (anonymous):

so i got 44.1 +6.3 is that correct?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH: Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
19 hours ago 1 Reply 0 Medals
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Maci: what are the best stock apps for people who want to start investing?
5 days ago 3 Replies 2 Medals
Twaylor: genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago 3 Replies 0 Medals
IzzyCookie: |dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
3 days ago 9 Replies 1 Medal
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Maci: what is your thoughts on qc reaching 10years lmk who the ogs
1 week ago 9 Replies 1 Medal
thehearken: not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago 2 Replies 1 Medal
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!