What is the ratio of students with pet fish to total students in the study?
7th Grade Math STAAR REVIEW

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The ratio is 12 out of 40, which simplifies to 3 out of 10.
2.
FLASHCARD QUESTION
Front
How do you calculate the number of students who do NOT have a pet fish?
Back
Subtract the number of students with pet fish from the total number of students: 2400 - (2400 * (12/40)) = 1680 students.
3.
FLASHCARD QUESTION
Front
What is the total cost of 52 packs of pencils at $1.20 each?
Back
Total cost = 52 * $1.20 = $62.40.
4.
FLASHCARD QUESTION
Front
What is the total cost of 14 calculators at $2.05 each?
Back
Total cost = 14 * $2.05 = $28.70.
5.
FLASHCARD QUESTION
Front
How do you find the amount of money left after purchases?
Back
Subtract the total cost of items from the initial amount: $120 - ($62.40 + $28.70) = $28.90.
6.
FLASHCARD QUESTION
Front
What does it mean for two figures to be similar?
Back
Two figures are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.
7.
FLASHCARD QUESTION
Front
What is the proportion for similar figures FGHI and JKLM?
Back
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