# 3.10: Chapter 3 Test

Difficulty Level: At Grade Created by: CK-12
1. School lunch rose from $1.60 to$2.35. What was the percent of mark-up?
2. Solve for \begin{align*}c: \ \frac{3c}{8} = 11\end{align*}.
3. Write 6.35 as a percent.
4. Write the following as a simplified ratio: 85 tomatoes to 6 plants.
5. Yvonne made 12 more cupcakes than she did yesterday. She made a total of 68 cupcakes over the two days. How many cupcakes did she make the second day?
6. A swing set 8 feet tall casts a 4-foot-long shadow. How long is the shadow of a lawn gnome 4 feet tall?
7. Solve the proportion: \begin{align*}\frac{v}{v-2} = - \frac{9}{5}\end{align*}.
8. Find the distance between Owosso and Perry if they are 16 cm on a map with a scale of 21 km : 4 cm.
9. Solve for \begin{align*}j: \ - \frac{13}{4} - \frac{3}{2} \left (\frac{3}{4} j - \frac{4}{5} \right )= - \frac{14}{5}\end{align*}.
10. Solve for \begin{align*}m: \ 2m(2-4)+5m(-8)=9\end{align*}.
11. Job A pays $15 plus$2.00 per hour. Job B pays 3.75 per hour. When will the two jobs pay exactly the same? 12. Solve for \begin{align*}k: \ 9.0604 + 2.062k = 0.3(2.2k + 5.9)\end{align*}. 13. Solve for \begin{align*}a: \ -9-a = 15\end{align*}. 14. 46 tons is 11% of what? 15. 17% of what is 473 meters? 16. Find the percent of change from 73 to 309. 17. JoAnn wants to adjust a bread recipe by tripling its ingredients. If the recipe calls for \begin{align*}4 \frac{1}{3}\end{align*} cups of pastry flour, how much should she use? 18. A sweater originally marked80.00 went on sale for \$45. What was the percent of change?

## Texas Instruments Resources

In the CK-12 Texas Instruments Algebra I FlexBook, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9613.

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