3.) The distance that a car can travel varies directly with the number of liters of gasoline in the tank. If a car can go 112 kilometers on 14 liters of gas, how far can it go on 9 liters? 4.) The number of days a bag of bread lasts varies inversely as the numbr f people who consume it. If a bag of bread lasts 7 days for 12 people, how long will it last for 3 people?
3.) The distance that a car can travel varies directly with the number of liters of gasoline in the tank. If a car can go 112 kilometers on 14 liters of gas, how far can it go on 9 liters? 4.) The number of days a bag of bread lasts varies inversely as the numbr f people who consume it. If a bag of bread lasts 7 days for 12 people, how long will it last for 3 people?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.6: Problem Solving: Using Charts
Problem 19P
Related questions
Question
Please help me answer number 3 and 4 with complete solution
Transcribed Image Text:PROBLEMS INVOLVING VARIATIONS
1.) The number of hours h that it takes m men to assemble x machines varies directly
as the number of machines and inversely as the number of men. If four men can
assemble 12 machines in four hours, how many men are needed to assemble 36
machines in eight hours?
2.) The amount of money raised at a charity fundraiser is directly proportional to the
number of attendees. The amount of money raised for five attendees was $100.
How much money will be raised for 60 attendees?
3.) The distance that a car can travel varies directly with the number of liters of
gasoline in the tank. If a car can go 112 kilometers on 14 liters of gas, how far can
it go on 9 liters?
4.) The number of days a bag of bread lasts varies inversely as the numb of people
who consume it. If a bag of bread lasts 7 days for 12 people, how long will it last
for 3 people?
5.) The speed (S) of the swing varies inversely as the weight (W) of the person. Elaine
who weighs 50 kg able to swing for 2 meters per seconds. How far can Sarah
swings if she weighs 25 kg?
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