SOLUTION: Shauna bought bananas that cost $6 per box and kiwis that cost $7 per box. If she paid $177 for 27 boxes of fruit how many boxes of each type did she buy? Two planes

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Shauna bought bananas that cost $6 per box and kiwis that cost $7 per box. If she paid $177 for 27 boxes of fruit how many boxes of each type did she buy? Two planes       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 830173: Shauna bought bananas that cost $6 per box and kiwis that cost $7 per box. If she paid $177 for 27 boxes of fruit how many boxes of each type did she buy?
Two planes are in flight near local airport. one plane is at an altitude of 1000 meters and is ascending at a rate of 400 meters per minute. the second plane is at an altitude of 5900 meters and is descending at a rate of 300 meters per minute. how many minutes will the two planes cross paths?

Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
---
I will answer the first question:
---
x = boxes of bananas
y = boxes of kiwis
---
x + y = 27
6x + 7y = 177
---
copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = boxes of bananas = 12
y = boxes of kiwis = 15
---
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