# Percent Proportions II

```Percent Proportions II
Wednesday, December 19, 2012
Warm up
1. -3(2y + 7) = -18
2. 8 – 3(x – 4) = 4
3. Round to the nearest hundredth:
15.6571
4. 3(4 + 2)2 = ?
5. Write 2 equivalent fractions to the
following: ½
In a percent proportion, which value
remains the same every time?
1.
2.
3.
4.
0 of
30
The percent
100
is
of
25%
1
25%
25%
2
3
25%
4
40,571 is what percent of 76,550?
1.
2.
3.
4.
0 of
30
65%
189%
42%
53%
25%
1
25%
25%
2
3
25%
4
121.8 is what percent of 105?
1.
2.
3.
4.
0 of
30
98%
116%
86%
75%
25%
1
25%
25%
2
3
25%
4
1.25 is what percent of 25?
1.
2.
3.
4.
0 of
30
2000%
100%
5%
45%
25%
1
25%
25%
2
3
25%
4
75 is what percent of 250?
1.
2.
3.
4.
0 of
30
30%
62%
188%
78%
25%
1
25%
25%
2
3
25%
4
What is 60% of 15?
1.
2.
3.
4.
0 of
30
12
4
25
9
25%
1
25%
25%
2
3
25%
4
What is 16% of 75?
1.
2.
3.
4.
469
18
12
110
25%
0 of 30
1
25%
25%
2
3
25%
4
What is 92% of 625?
1.
2.
3.
4.
459
15
78
575
25%
0 of 30
1
25%
25%
2
3
25%
4
8 is 25% of what number?
1.
2.
3.
4.
9
2
57
32
25%
0 of 30
1
25%
25%
2
3
25%
4
14 is 35% of what number?
1.
2.
3.
4.
40
250
5
8
25%
0 of 30
1
25%
25%
2
3
25%
4
31 is 49% of what number?
1.
2.
3.
4.
789
15.2
83
63.3
0 of 30
25%
1
25%
25%
2.
3
25%
4.
Nineteen members, or 38% of the ski
club are going on a ski trip. Find the
total number of members in the club.
1.
2.
3.
4.
7 members
722 members
50 members
500 members
0 of 30
25%
1
25%
2
25%
3
25%
4
You invested some money and made a
profit of \$55. Your profit was 11% of
your investment. How much did you
invest?
25%
1.
2.
3.
4.
25%
25%
25%
\$6
\$500
\$20
\$3859
0 of 30
1
2
3
4
At the start of the summer, Jeri had
\$480 in her savings account. That was
only 15% of the amount in her savings
at the end of the summer. How much
did she have at the end of the
summer?
1. \$7200
25%
25%
25%
25%
2. \$72
3. \$323
4. \$3200
0 of
30
1
2
3
4
In 1950, the population of Alaska was
of the population of Alaska in the year
2000. About how many people lived in
1.
2.
3.
4.
627,000 people
1,346,974 people
26,349 people
6,734 people
0 of 30
25%
1
25%
2
25%
3
25%
4
commission selling merchandise. His
commission rate was 5%. Find the
dollar amount of his sales.
1.
2.
3.
4.
\$2,560
\$135,895
\$6.4
\$98
0 of 30
25%
1
25%
2
25%
3
25%
4
A bicycle that usually sells for \$230 is
on sale for 15% off. Find the sale
price.
1.
2.
3.
4.
\$34.50
\$3,567
\$195.50
\$2
0 of 30
25%
1
25%
2
25%
3
25%
4
```
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