In June, Katherine bought 21 cans of food and 3 bags of litter for a total of $42. In July she spent $60 on 32 cans of food and 4 bags of litter. What is the cost of one bag of litter?

Question

anonymous · Answer

Same thing as your previous question. What do you think the equations are?

anonymous · Answer

21x + 3y = 42
32x + 4y = 60


3x + y = 6
y = 6 - 3x
4y = 24 - 12x

32x + 24 - 12x = 60
21x = 60 -24
21x = 36
x = 36/21

you should be able to do the rest from here

anonymous · Answer

thankss