
direct variation
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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12 questions
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1.
FLASHCARD QUESTION
Front
The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
Back
$308
2.
FLASHCARD QUESTION
Front
In a direct variation, y=39 when x=3. Find the value of y when x=2.
Back
26
3.
FLASHCARD QUESTION
Front
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? Options: $394, $440, $472.80, $512.20
Back
$394
4.
FLASHCARD QUESTION
Front
A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.
Back
$190.65
5.
FLASHCARD QUESTION
Front
The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?
Back
50 kg water
6.
FLASHCARD QUESTION
Front
What is the constant of proportionality (in miles per hour) based on the table?
Back
45
7.
FLASHCARD QUESTION
Front
On a treasure map, the actual distance is directly related to the scaled distance. If 15 miles is represented by 3 centimeters, then how many centimeters on the treasure map are equivalent to 135 miles?
Back
27 cm
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