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Least Common Multiple. Ratios. Distribution with Exponents. Solve for the Variable. Adding Like Terms. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt. - PowerPoint PPT Presentation
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Least Common Multiple
RatiosDistribution
with Exponents
Solve for the Variable
Adding Like Terms
Find the least common multiple of 28, 7, and 14.
Answer:
28
Find the least common multiple
of12rs3, 15r2s, and
3rs2
Answer:
60r2s3
Find the least common multiple of 18, 3, and 16.
Answer:
144
Find the least common multiple
of 8ef4g2 and 6e2fg.
Answer:
24e2f4g2
Find the LCM of 6fg and 8f3.
Answer:
24f3g
The ratio of fairies to dwarfs was 3 to 2. If there were 30 dwarfs, how many fairies were
there?
Answer:
45 fairies
The ratio of good guys to bad guys was 5 to 13. If there were 65 good guys, how many bad
guys were there?
Answer:
169 bad guys
The ratio of creepers to crawlers was 5 to 6. If there were 2629 in all,
how many were crawlers?
Answer:
1434 crawlers
The ratio of pens to pencils was 9 to 8. If there were 4165 in all, how many
were pencils?
Answer:
1960 pencils
The ratio of villains to heroes was 17 to 11. If there were 132 heroes, how
many villains were there?
Answer:
204 villains
Expand:
2
32421 6
x
y
x
yxyx
Answer:
3
5
6
61
x
y
x
Expand:
2
241
4
4 2
b
ca
a
ba
b
a
Answer:
226
21
ba
c
a
Expand:
3
2
4
334
3
4 3
b
ca
b
aba
b
a
Answer:
6
6
78 31
b
ca
ba
Expand:
42222232 434 babcababa
Answer:
bcbab
16124 244
Expand:
y
zx
x
yx
y
x
zy
yx 233
33
3 4525
Answer:
3752
202510
xyzx
y
zyx
Solve for w:
3u – w = u + 4w
Answer:
w = 2/5 u
Solve 9x – 7y = 2 for y.
Answer:
y = 9/7 x – 2/7
If 5x + 3y = 5y + 5, and y = 10, find x.
Answer:
5
Solve for x:
4x – y – 6 = x + 6y
Answer:
x = 7/3 y + 2
Solve for y:
17x – 5y + 18x – 2y – 35 = 0
Answer:
y = 5x - 5
Simplify:
2525 9
92
9
2
yx
xy
yx
xy
Answer:
259
10
yx
x
Simplify:
7
333hg
Answer:
gh
ghhg
7
32121
Simplify:
tvu
s
u
r
22
Answer:
22
222
vu
vtusruv
Simplify:
4253
47
zyzy
x
Answer:
53
47
zy
yzx
Simplify:
2222
25
ghhg
f
hg
e
gh
Answer:
22
25
hg
gfhegh
