A class buys 3 packs of paper for $4.50 each and gets a 10% discount on the total cost. What is the final cost?

Q: What will my child learn in "Solve a cross-strand synthesis problem"?

Notice whether the problem mixes money, measurement, fractions, or data. This 5th Grade Math lesson builds the skill Mastery challenge across strands with a concept card and practice.

Q: What grade level is "Solve a cross-strand synthesis problem" for?

"Solve a cross-strand synthesis problem" is a 5th Grade Math lesson in the Year-end synthesis unit, designed for students around ages 10-11.

Q: How many practice questions are in this lesson?

This lesson includes 20 practice questions with instant feedback. Guests can try a few for free, and signed-in learners get the full adaptive set that adjusts to their level.

Q: How does Sparq help with "Solve a cross-strand synthesis problem"?

Sparq is a safe AI tutor that gives kid-friendly hints and explains Solve a cross-strand synthesis problem step by step, helping students learn without just giving away the answer.

Q: Do I need an account to practice "Solve a cross-strand synthesis problem"?

No account is needed to start — guests can try this 5th Grade Math lesson for free. Signing in saves progress, unlocks more practice questions, and tracks mastery.

Question

A class buys 3 packs of paper for $4.50 each and gets a 10% discount on the total cost. What is the final cost?

Accepted Answer

12.15