Translating Equations

Jacob spent $20 buying popcorn and candy for his friends. Popcorn is $3 per bag and candy bars are $1 each. Which equation shows his total cost for popcorn and candy?

• 3p + 1c = 20

• p + c = 20

• 1p + 3c = 20

• 3(p + c) = 20

A school made $400 selling tickets to the play. Student tickets (s) are $5 each and non-student tickets (n) are $8 each. Which equation shows this situation?

A factory produces tables and chairs. Tables require 4 hours of labor and chairs require 1.5 hours of labor. Which expression shows the total amount of labor t tables and c chairs will require?