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1. 63 is 900/o of what number?
2.
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80 is25o/o of what number?
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find the missing number.
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Write a per(ent proportion and solve each problem.
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450is75o/o of what numb
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rtor" is having a sale where winter
clothes are 600/o of the original price. A
sweater is on sale for S3O What was the
original price of the sweater?
school day in science class. lf he spends
75 minutes in science class, how many
minutes does Kaispend in school?
(txamples 2 and 5)
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7. lf you have 3 cups of pineapple juice, how many total
cups of.punch can you make?
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How'fiany cufis of sorbet are used in 8 cup-s of punch?
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40o/o
Orange Juice
25o/o
Pineapple juice
20o/o
Sorbet
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Elise does not like sorbet, so she omits that ingredient
and adds 5 percent of each of the other ingredients.
How many cups of punch will she have if she uses
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Lesson
8
Solve Percent
Problems 159
Narne
.
My llomework
Extra Practice
Use double number lines to
find the missing number.
16.14Ois7Oo/oof what number? ?9^q_-
17.24ois6oo/oof what number?
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20 60 100 1q
180
Write a percent proportion and sotve each probtem.
18. 95 is95o/o of what number?
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19,270is90o/o of what number?
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Justify Gonctusions Action movies
W
make up B5o/o of Devon's movie collection. lf
movies
Explainyogg
he has 20 movies, how many action
are in Devon's collection?
21. rhe drama '!r!r;e, r"Illrnon saturday
"
and Sunday. They washed
a total of 60 cars.
lf they washed 40olo of the cars on Sunday,
how many cars did they wash on Sunday?
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22. A tiger can eat food that weishs up to 15yo 23. Accordi^r/l;?nf ,.nf;,?r,
ey,12o/oof the
of its body weight. lf a tiger can eat 75 pounds
students at Rockwood Junior High School
of food, how much dogs a tiger weigh?
speak Spanish. There are 36 students at
-19the
schoolwho speak Spanish. How many
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24. Milev's vrusiiias a sare on music cDs.
25. The,","rffifn1.o,or7,t)!,on Madness, is
music CDs are discounted 1 5olo. Mariana,s
30%o yellow. Raul used 72 ounces of yellow
receipt indicates that she saved 53 on her
paint to mix the last batch. How many
CD purchase. What is the full price of her
ounces of Melon Madness did he make in
music CD before the discount?
the last batch?
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Solve percent problems
161