Problema Solution
Seed corn is $5 per bag and dog food is $3 per bag. If I buy 50 bags and pay $190, how many bags of dog food did I buy?
Answer provided by our tutors
Let
x = the number of seed corn bags
y = the number of dog food bags
I buy 50 bags and pay $190:
x + y = 50
5x + 3y = 190
........
........
x = 20 bags of corn
y = 30 bags of dog food
30 bags of dog food was bought.