SOLUTION: A bag of rice have a mass of 200g cost 40p find the price per kg.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A bag of rice have a mass of 200g cost 40p find the price per kg.       Log On


   



Question 931437: A bag of rice have a mass of 200g cost 40p find the price per kg.

Found 2 solutions by TimothyLamb, MathLover1:
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
40 / (200 g * 1/1000 kg/g) = 200 p/kg
---
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
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

1g=+0.001kg
1kg=200g%2A5
so,if a bag of rice have a mass of 200g cost 40p cost per kg will be 5 times more =>5%2A40p=200p+-the price per kg