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Math Problems
Grade 7
Do the ratios form a proportion: word problems
Do these ratios form a proportion?
\newline
5
5
5
professors :
2
2
2
students
\newline
20
20
20
professors :
8
8
8
students
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
7
7
7
staff members :
9
9
9
campers
\newline
18
18
18
staff members :
18
18
18
campers
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
16
16
16
green cups for every
14
14
14
blue cups
\newline
19
19
19
green cups for every
18
18
18
blue cups
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
8
8
8
large jars for every
7
7
7
small jars
\newline
16
16
16
large jars for every
14
14
14
small jars
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
5
5
5
deliveries every
8
8
8
minutes
\newline
10
10
10
deliveries every
16
16
16
minutes
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
2
2
2
old bracelets for every
16
16
16
new bracelets
\newline
1
1
1
old bracelet for every
15
15
15
new bracelets
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Do these ratios form a proportion?
\newline
3
3
3
teachers to
12
12
12
students
\newline
4
4
4
teachers to
16
16
16
students
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
$
5
\$5
$5
per
8
8
8
items
\newline
$
10
\$10
$10
per
16
16
16
items
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
14
14
14
forks to
16
16
16
spoons
\newline
7
7
7
forks to
8
8
8
spoons
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
12
12
12
sneakers :
6
6
6
sandals
\newline
15
15
15
sneakers :
14
14
14
sandals
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
1
1
1
full-time employee :
7
7
7
part-time employees
\newline
2
2
2
full-time employees :
12
12
12
part-time employees
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
1
1
1
teal spoon for every
9
9
9
purple spoons
\newline
2
2
2
teal spoons for every
10
10
10
purple spoons
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
2
2
2
visitors :
18
18
18
months
\newline
1
1
1
visitor :
10
10
10
months
\newline
Choices:
\newline
(A) yes
\newline
(B) no
Get tutor help
Do these ratios form a proportion?
\newline
$
8
\$8
$8
for every
2
2
2
centimeters
\newline
$
4
\$4
$4
for every
1
1
1
centimeter
\newline
Choices:
\newline
(A) yes
\newline
(B) no
Get tutor help
Do these ratios form a proportion?
\newline
$
9
\$9
$9
for
15
15
15
pages
\newline
$
12
\$12
$12
for
20
20
20
pages
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
7
7
7
medium folders to
3
3
3
small folders
\newline
9
9
9
medium folders to
2
2
2
small folders
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
2
2
2
altos :
5
5
5
sopranos
\newline
4
4
4
altos :
10
10
10
sopranos
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
20
20
20
pedestrians :
2
2
2
seconds
\newline
10
10
10
pedestrians :
1
1
1
second
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
16
16
16
tenors to
4
4
4
basses
\newline
19
19
19
tenors to
8
8
8
basses
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Do these ratios form a proportion?
\newline
9
9
9
visitors :
1
1
1
hour
\newline
16
16
16
visitors :
3
3
3
hours
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
What is the period of
\newline
y
=
cos
(
−
4
π
x
+
3
)
−
7
?
y=\cos (-4 \pi x+3)-7 ?
y
=
cos
(
−
4
π
x
+
3
)
−
7
?
\newline
Give an exact value.
\newline
units
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