Answer: 21
Step-by-step explanation:
4m
=18−
7
2
m
2 Simplify
2
7
m
7
2
m to
2
m
7
7
2m
.
4
m
7
=
1
8
−
2
m
7
7
4m
=18−
7
2m
3 Multiply both sides by
7
7.
4
m
=
1
2
6
−
2
m
4m=126−2m
4 Add
2
m
2m to both sides.
4
m
+
2
m
=
1
2
6
4m+2m=126
5 Simplify
4
m
+
2
m
4m+2m to
6
m
6m.
6
m
=
1
2
6
6m=126
6 Divide both sides by
6
6.
m
=
1
2
6
6
m=
6
126
7 Simplify
1
2
6
6
6
126
to
2
1
21.
m
=
2
1
m=21
Answer: The consumer saves $45
Step-by-step explanation:
If you multiply 20 by 3 you get 60 then you multiply by .75 and you get 45
Answer:
Step-by-step explanation:
Try A or B
Answer: 163 students
Step-by-step explanation:
First find the percentage of students who were in favor of having school start one hour later based on the sample of 20 students.
= 13/20 * 100%
= 65%
The apply this percentage to the total number of students in school to find your answer:
= 65% * 250 students
= 162.5
= 163 students
