Mixture Problems and Linear Systems
Authored by Kevin Glaser
Mathematics
9th Grade
CCSS covered
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the following mixture problem: A chemist has 20 liters of a 30% acid solution. How many liters of a 50% acid solution should be added to obtain a 40% acid solution?
10
5
15
25
Tags
CCSS.HSA.CED.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car rental agency charges $30 per day plus $0.20 per mile to rent a car. If a customer rents a car for 5 days and drives 600 miles, how much will the rental cost?
$150
$130
$90
$100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemist has 10 liters of a 20% acid solution. How many liters of a 40% acid solution should be added to obtain a 30% acid solution?
5
3
2
8
Tags
CCSS.HSA.CED.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bakery sells two types of bread, one at $3 per loaf and the other at $5 per loaf. The bakery wants to make a 100-loaf batch that sells for $4 per loaf. How many loaves of each type of bread should be used?
60 loaves of $3 bread and 40 loaves of $5 bread
30 loaves of $3 bread and 70 loaves of $5 bread
70 loaves of $3 bread and 30 loaves of $5 bread
50 loaves of $3 bread and 50 loaves of $5 bread
Tags
CCSS.8.EE.C.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A shipping company charges $5 per package plus $2 per pound to ship a package. If a package weighs 10 pounds, how much will the shipping cost?
$25
$20
$15
$30
Tags
CCSS.8.EE.C.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the following mixture problem: A chemist has 15 liters of a 25% acid solution. How many liters of a 40% acid solution should be added to obtain a 30% acid solution?
3 liters
5 liters
20 liters
10 liters
Tags
CCSS.HSA.CED.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A farmer has a 500-acre farm on which he grows soybeans and corn. He wants to plant 200 acres of soybeans and 300 acres of corn. The profit from soybeans is $400 per acre and from corn is $600 per acre. How many acres of each should he plant to maximize his profit?
x=100 acres of soybeans and y=400 acres of corn
x=150 acres of soybeans and y=350 acres of corn
x=300 acres of soybeans and y=200 acres of corn
x=200 acres of soybeans and y=300 acres of corn
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