
i-Ready Mixed Review (Composite Score)
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the amount of gasoline needed for a trip based on distance traveled and fuel efficiency?
Back
Gasoline needed (liters) = (Distance traveled (km) / Fuel efficiency (km/l))
2.
FLASHCARD QUESTION
Front
If a car travels 150 kilometers on 12 liters of gasoline, what is its fuel efficiency in kilometers per liter?
Back
Fuel efficiency = 150 km / 12 liters = 12.5 km/l
3.
FLASHCARD QUESTION
Front
How do you calculate the percentage increase in value of an item?
Back
Percentage increase = (New value - Original value) / Original value * 100%.
4.
FLASHCARD QUESTION
Front
If a $20 baseball card increases in value by 15%, what is the new value?
Back
New value = Original value + (15% of Original value) = $20 + $3 = $23.
5.
FLASHCARD QUESTION
Front
What is the formula to calculate the new value of an item after a percentage decrease?
Back
New value = Original value - (Percentage decrease * Original value).
6.
FLASHCARD QUESTION
Front
If a car worth $18,000 decreases by 25%, what is its new value?
Back
New value = $18,000 - (25% of $18,000) = $18,000 - $4,500 = $13,500.
7.
FLASHCARD QUESTION
Front
What is the average number of batters struck out per inning if a pitcher strikes out 3.6 batters in 9 innings?
Back
Average per inning = 3.6 batters / 9 innings = 0.4 batters per inning.
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