At the store, 10 ounces of candy cost $3.20. How many ounces can you get for $1?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

What is the gcf of 20c^3-5c^4+30c^6