Cost Analysis of Pet Supplies

The video tutorial explains the difference between fixed and variable expenses using practical examples. It covers Elizabeth's cat food purchases, James' train rides, and Gracie's cat litter costs. Each scenario involves identifying the type of expense and calculating the total cost over a specified period.

What is the cost of one can of cat food that Elizabeth buys?

• $1.25

• $1.50

• $2.00

• $1.00

How often does Elizabeth buy a bag of cat food?

• Every four weeks

• Every three weeks

• Every week

• Every two weeks

What is the total cost of cat food for Elizabeth after four weeks?

• $30.00

• $100.00

• $57.20

• $87.20

How many cans of cat food does Elizabeth buy each week?

• 5

• 4

• 6

• 7

What is the cost of a bag of cat food that Elizabeth buys?

• $60.00

• $50.00

• $57.20

• $55.20

How much does Elizabeth spend on cans of cat food in one week?

• $6.00

• $7.50

• $10.50

• $9.00

What is the total cost of cans of cat food for four weeks?

• $25.00

• $35.00

• $30.00

• $20.00

How much does James spend on train travel each way?

• $1.50

• $1.25

• $1.00

• $0.75

How many days a week does James ride the train to work?

• 6

• 4

• 5

• 3

What is the total cost of James's train travel for a week?

• $17.50

• $10.00

• $15.00

• $12.50