Seventh Grade Staar With The New Teks Worksheet - 2015 Page 9
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45Every 2 days a scientist spends 1.25 hours observing dolphins and 3.5 hours
observing sea lions. At this rate, how many total hours will the scientist spend
32.
observing dolphins and sea lions in 6 days?
7.4d
A 28. 5 h
B 14.25 h
C 9.5 h
D 23.5 h
Xavier plans to run 14 laps around the track. Each lap is 400 yards. So far Xavier
has run 1,680 yards around the track. What percentage of the run has Xavier
33.
completed?
7.4d
A 7%
B 30%
C 70%
D 3%
Marcella bought a 25-ounce bottle of olive oil for $5.88. She used 60% of the olive
34.
oil in two weeks. Which of the following is closest to the cost of the oil she used?
7.4d
A $0.24
B $0.39
C $2.35
D $3.53
Jessica skated 4 laps in 82 seconds. Which of the following in an equivalent rate of
skating?
35.
7.4d
A 6 laps in 120 seconds
C 10 laps in 205 seconds
B 6 laps in 130 seconds
D 10 laps in 215 seconds
Which table represents the linear relationship
5
+ ?
6
y
=
x
A
C
1
2
3
4
5
1
2
3
4
5
x
x
36.
7
8
9
10
11
11
12 13
14
15
y
y
7.7a
B
D
1
2
3
4
5
1
2
3
4
5
x
x
5
10
15
20
25
11
16
21
26
31
y
y
Mrs. Jacobs is a photographer. For each job she charges $135 for the first hour she
works and $100 for each additional hour. Which linear equation below could be
used to represent t , the total of Mrs. Jacobs’ earnings?
37.
7.7a
135
100
100
135
A
t
=
h
+
C
t
=
h
+
B
D
100
235
(135 100)
t
=
h
+
t
=
+
h
th
Created by Lance Mangham, 6
grade math, Carroll ISD
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