SOLUTION: A textbook store sold a combined total of 260 math and history textbooks in a week. The number of history textbooks sold was 88 less than the number of math textbooks sold. How man

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A textbook store sold a combined total of 260 math and history textbooks in a week. The number of history textbooks sold was 88 less than the number of math textbooks sold. How man      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 924553: A textbook store sold a combined total of 260 math and history textbooks in a week. The number of history textbooks sold was 88 less than the number of math textbooks sold. How many textbooks of each type were sold?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
x = math books
y = history books
---
x + y = 260
y = x - 88
---
put the system of linear equations into standard form
---
x + y = 260
x - y = 88
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = math books = 174
y = history books = 86
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php