# Lesson 12

Solving More Ratio Problems

Let’s compare all our strategies for solving ratio problems.

### Problem 1

Describe a situation that could be represented with this tape diagram.

### Problem 2

There are some nickels, dimes, and quarters in a large piggy bank. For every 2 nickels there are 3 dimes. For every 2 dimes there are 5 quarters. There are 500 coins total.

- How many nickels, dimes, and quarters are in the piggy bank? Explain your reasoning.
- How much are the coins in the piggy bank worth?

### Problem 3

Two horses start a race at the same time. Horse A gallops at a steady rate of 32 feet per second and Horse B gallops at a steady rate of 28 feet per second. After 5 seconds, how much farther will Horse A have traveled? Explain or show your reasoning.

### Problem 4

Andre paid $13 for 3 books. Diego bought 12 books priced at the same rate. How much did Diego pay for the 12 books? Explain your reasoning.

### Problem 5

Which polyhedron can be assembled from this net?

A triangular pyramid

A trapezoidal prism

A rectangular pyramid

A triangular prism

### Problem 6

Find the area of the triangle. Show your reasoning. If you get stuck, consider drawing a rectangle around the triangle.