SOLUTION: there is 7 times the number of students than teachers on a class trip. the number of students exceeds the number of teachers by 42. How many students and teachers are on the trip
Algebra.Com
Question 928975: there is 7 times the number of students than teachers on a class trip. the number of students exceeds the number of teachers by 42. How many students and teachers are on the trip?
how do we set this up?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of teachers
y = number of students
---
y = 7x
y = x + 42
---
put the system of linear equations into standard form
---
7x - y = 0
x - y = -42
---
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 = number of teachers = 7
y = number of students = 49
---
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
RELATED QUESTIONS
there are 15 students in the preschool class. for every 7 kids there is one teacher.... (answered by oscargut)
On a class trip, there were 45 more girls than boys. The total number of students on the... (answered by JulietG)
on a class trip, there were 45 more girls than boys. The total number of students on the... (answered by Anniebee,richard1234)
There are 18 students in a class. The number of boys is two less than three times the... (answered by math-vortex)
on a schoop trip the ratio of teachers to the number of students is 1:13
The ratio of... (answered by ankor@dixie-net.com)
There are 461 students and 20 teachers taking buses on a trip to a museum. Each bus can... (answered by josmiceli)
The number of students in a history class is three less than twice the number of students (answered by oscargut)
there are 51 students in a certain class. the number of females is 5 lees than three... (answered by checkley77)
The number of boys in a class is 4 more than the number of girls. The ratio of the number (answered by Stitch)