A group of friends are studying linear equations for their math class. They consider the equation shown. y=3.0 +4
Each friend makes a statement regarding the solution of this linear equation. Which friend is correct?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)