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1.5.3: Exercises

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Section 1.5.2 Exercises

  1. Solve:
    1. 25=6x
    2. 2x9=310
    3. x12=23
    4. 49x=1013
    5. n5=1620.
  2. Find a unit rate: You bought 10 pounds of potatoes for $4.
  3. Find a unit rate: Joel ran 1500 meters in 4 minutes, 45 seconds.
  4. Which is the more economical purchase:  32 oz of detergent for $6.29 or 48 oz of the same detergent for $8.29?
  5. Solve the proportion.
    1. 325=x3000
    2. 58=200x
  6. A student scored 32 out of 40 on a practice exam and 12 out of 15 on the actual exam.  Did the student do better on the practice exam or on the actual exam?
  7. A soft drink is sold in a six-pack of plastic bottles holding 101.4 fl oz for $2.69.  The same soft drink can be purchased in a 12-pack of cans containing 144 fl oz for $3.79.  Which is the better buy?

This page titled 1.5.3: Exercises is shared under a not declared license and was authored, remixed, and/or curated by Leah Griffith, Veronica Holbrook, Johnny Johnson & Nancy Garcia.

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