SOLUTION: Three four-pound bags and nine one-pound bags for $27
One four-pound bag and five one-pound bags for $13
Write a system of equations that could be used to represent both Julia
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Question 1177348: Three four-pound bags and nine one-pound bags for $27
One four-pound bag and five one-pound bags for $13
Write a system of equations that could be used to represent both Julia’s purchase and Christine’s purchase and then determine the cost of a four-pound bag and a one-pound bag.
Found 2 solutions by josgarithmetic, Solver92311:
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
----------------------------------------------------
Three four-pound bags and nine one-pound bags for $27
One four-pound bag and five one-pound bags for $13
-------------------------------------------------
3 of 4-pound bags and 9 of 1-pound bags: $27;
1 of 4-pound bags and 5 of 1-pound bags: $13
if y is price for a 4-pound bag
and
x is price for a 1-pound bag
then
Notice you can reduce the first equation and have system
..
.
.
Answer by Solver92311(821) (Show Source): You can put this solution on YOUR website!
Solve the 2X2 system for 
, the cost of a 4-lb bag, and 
, the cost of a 1-lb bag.
John
My calculator said it, I believe it, that settles it
From
I > Ø
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