Direct variations applications
Authored by Kevin Ganey
Mathematics
9th Grade
CCSS covered
Used 58+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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 lbs contains 60 lbs of water. How many kilograms of water are in a person whose mass is 75 lbs?
50 lbs water
72 lbs water
94 lbs water
40 lbs water
Tags
CCSS.7.RP.A.3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
At top speed, a rabbit can cover 8 miles in 12 minutes. If a rabbit could continue at this rate indefinitely, how long would it take the rabbit to cross the 220-mile expanse of the Mojave Desert?
33 minutes
133 minutes
330 minutes
660 minutes
Tags
CCSS.6.RP.A.3B
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.REI.B.3
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.2
CCSS.HSF.LE.A.1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.REI.B.3
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The sales at a baseball game vary directly with the number of people attending. If sales for a game are $12,000 when 800 people attend, determine attendance if sales are $30,000
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.REI.B.3
CCSS.HSA.CED.A.2
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.2
CCSS.HSF.LE.A.1
CCSS.HSA.REI.A.1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The current in a simple electrical circuit is inversely proportional to the resistance. If the current is 80 amps when the resistance is 50 ohms, find the current when the resistance is 22 ohms.
90 amps
100 amps
105 amps
120 amps
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.B.3
CCSS.HSA.CED.A.4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If 32 men can clear a field in 15 days, in how many days can 20 men clear the same field?
18 days
20 days
22 days
24 days
Tags
CCSS.6.RP.A.3B
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