splash screen. lesson menu objectives vocabulary example 1 quick quiz
TRANSCRIPT
Objectives
Vocabulary
Example 1
Quick Quiz
• To determine a unit rate
• To use rates, proportions, or equations to convert currency rates
• To use rates to determine unit prices
• unit rate
SHOPPING A 12-oz bottle of cleaner costs $4.50. A 16-oz bottle of cleaner costs $6.56. Which costs less per ounce?
Find and compare the unit rates of the bottles.
For the 12-oz bottle, the unit rate is $0.38 per ounce.
÷12
÷12
Divide the numerator and denominator by 12 to get a denominator of 1.
Divide the numerator and denominator by 16 to get a denominator of 1.
For the 16-oz bottle, the unit rate is $0.41 per ounce.
Answer: The 12-oz bottle has the lower cost per ounce.
÷16
÷16
1. A
2. B
3. C
4. D0% 0%0%0%
A. The 12-pack costs less per can.
B. The 6-pack costs less per can.
C. Both packs cost the same per can.
D. cannot be determined from the given information
SHOPPING A 6-pack of a soft drink costs $1.50. A 12-pack of a soft drink costs $2.76. Which pack costs less per can?
1. A
2. B
3. C
4. D0% 0%0%0%
A store is selling a 3-pound bag of apples for $1.49. What is the cost per pound of apples?
A. $4.47 per pound
B. $0.46 per pound
C. $1.49 per pound
D. $0.50 per pound
1. A
2. B
3. C
4. D0% 0%0%0%
Store A sells a 4-pack of AA size batteries for $3.79. Store B sells a 6-pack of AA size batteries for $4.19. What is the price per battery at Store A?
A. about $0.70 per battery
B. about $1.05 per battery
C. about $0.95 per battery
D. about $0.63 per battery
1. A
2. B
3. C
4. D0% 0%0%0%
Jaxon is going to Belgium for spring break. He wants to convert $250 to euros. If the conversion rate is 1 euro = $1.59, how many euros will Jaxon have?
A. 397.50 euros
B. 157.23 euros
C. 159 euros
D. 0.64 euros
Image Bank
Math Tools
Multilingual e-Glossary
Using a Percent Model
Solving Proportions
Similar Triangles