12/9 - Percent Word Problem and Ratio Representation

Flashcard
•
Mathematics
•
6th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportional relationship?
Back
A proportional relationship is when two quantities maintain a constant ratio or rate. For example, if you double one quantity, the other quantity also doubles.
2.
FLASHCARD QUESTION
Front
How do you calculate the total number of students if 60% are girls and there are 36 boys?
Back
Let x be the total number of students. If 60% are girls, then 40% are boys. Set up the equation: 0.40x = 36. Solving gives x = 90.
3.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is the cost per single unit of measure. For example, if a box of cereal costs $3.59 for 30 oz, the unit rate is $3.59 ÷ 30 oz = 12 cents per ounce.
4.
FLASHCARD QUESTION
Front
How do you calculate a 15% tip on a bill of $58.65?
Back
To calculate a 15% tip, multiply the bill by 0.15: $58.65 × 0.15 = $8.80. Add this to the bill: $58.65 + $8.80 = $67.45.
5.
FLASHCARD QUESTION
Front
What is the formula to find the percentage of a number?
Back
The formula to find the percentage of a number is: (part/whole) × 100 = percentage.
6.
FLASHCARD QUESTION
Front
If a bill is $44.20, how do you calculate a 20% tip?
Back
To calculate a 20% tip, multiply the bill by 0.20: $44.20 × 0.20 = $8.84.
7.
FLASHCARD QUESTION
Front
What does it mean if ratios are equivalent?
Back
If ratios are equivalent, it means they represent the same relationship between two quantities. For example, 1:2 is equivalent to 2:4.
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