Problema Solution
A can with 40 marbles in it weighed 135 grams. The same can with 20 marbles weighed 75 grams. What is the mass of each marble? What is the mass of the can?
Answer provided by our tutors
let
m = the mass of each marble
c = the mass of the can
A can with 40 marbles in it weighed 135 grams
50m + c = 135
The same can with 20 marbles weighed 75 grams
20m + c = 75
by solving the system of equations
50m + c = 135
20m + c = 75
we find
m = 2 g
c = 35 g
click here to see the step by step solution of the system of equations
the mass of each marble is 2 grams.
the mass of the can is 35 grams.