Students in the seventh grade at Texas Intermediate School were surveyed to find out their favorite store. The graph below repre
sents the data from 80 students. How many more students surveyed chose Target as their favorite store over Ross? a.16 b.20 c.5 d.4
1 answer:
Answer:
(D) 4
Step-by-step explanation:
The graph which is a pie chart is produced and attached below.
There are a total of 80 Students.
From the graph, 25% choose Target and 20% choose Ross as their favorite store.
- 25% of 80 =0.25 x 80=20
- 20% of 80 =0.2 x 80=16
Number of Students who choose Target as their favorite store over Ross
=20-16
=4 Students.
<u>The correct option is D.</u>
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Step-by-step explanation:
The formula for arc length [for the angle in degrees] is:
here,
= degrees
= radius
using this we'll solve all the parts:
r = 10, n = 20:
from here, it is just simplification:
2 and 360 can be resolved: 360 divided by 2 = 180
10 and 180 can be resolved: 180 divided by 10 = 18
finally, both 20 and 18 are multiples of 2 and can be resolved:
Option (E)
r=3, n=6:
Option (D)
r=4 n=7
Option (C)
r=2 n=x
Option (D)
r=y n=x
Option (E)