subject
Mathematics, 16.01.2020 12:31 stefan19367

If quick copy recently charged 49 cents per page for color copies and 9 cents per page for back and white copies. if shirlees bill for 90 copies is $12.90, how many copies of each type were made? it needs to be written like in algebra let x= or x+y something like that

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 22:30
For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?
Answers: 1
question
Mathematics, 21.06.2019 22:40
If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).
Answers: 1
question
Mathematics, 21.06.2019 23:00
700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Simplify using positive exponents only.
Answers: 2
You know the right answer?
If quick copy recently charged 49 cents per page for color copies and 9 cents per page for back and...
Questions
question
Mathematics, 21.06.2022 14:00
Questions on the website: 13722360