Proportions
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Transcript of Proportions
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
1-1001 - 100
213
2 x
Solve the proportion below:
1-100A1 - 100
1-200
Solve the proportion below:
205
3 x
1-200A1 - 100
1-300
Solve the proportion below:
x
21
4
3
1-300A1 - 100
1-400
Do the two ratiosform a proportion?
Justify!
15
6,
10
4
1-400A1 - 100
5
2
10
4
5
2
15
6
1-500
The ratio of girls to boys in Mr. Goodly’s class is 2:3.
If there are 30 studentsin Mr. Goodly’s class,
how many of the students are girls?
1-500A1 - 100
2-1001 - 100
Find the sum:
5
3
5
4
2-100A1 - 100
5
21
2-200
Find the Sum or Difference
3
2
8
7
2-200A1 - 100
24
5
2-300
Find the product.
12
10
5
3
2-300A1 - 100
2
1
2-400
Find the product
10
22
2
14
2-400A1 - 100
10
99
2-500
Find the quotient.
5
22
6
51
2-500A1 - 100
72
55
3-1001 - 100
What percent does the shaded portion represent?
3-100A1 - 100
3-200
Write the ratio as a percent?
25
11
3-200A1 - 100
3-300
Write the percent as a fraction is simplest form.
24%
3-300A1 - 100
25
6
3-400
30% of 40?
3-400A1 - 100
3-500
25% of 200
3-500A1 - 100
4-1001 - 100
Express 5 girls to 15 boys
as a ratio in simplest form
4-100A1 - 100
4-200
How many ways cana ratio be expressed?Give examples
4-200A1 - 100
3
1 1:3 1 to 3
4-300
Write a ratio that is equivalent to
3/5
4-300A1 - 100
18
12
15
9
10
6
4-400
Write a ratio describing thepiano keys in the rectangle, black keys to white keys.
4-400A1 - 100
4-500
To make pancake batter, you need 2 cupsof water for every 3 cups of flour. You planto use 9 cups of flour. Write a ratio for thenumber of cups of water to the number ofcups of flour you will use.
4-500A1 - 100
9
6
3
2
5-1001 - 100
John made 24 points in 3 of his basketball games, what is his unit rate?
5-100A1 - 100
5-200
What is the unit rate,$30 for 6 books?
5-200A1 - 100
5-300
The unit price fordog food is $.35/lb.
How much does a 20-lb bag cost?
5-300A1 - 100
5-400
Lisa purchased 3 packs of gum for $2.40. How much would 5 packs of gum cost?
5-400A1 - 100
5-500
Suppose you have already saved $50 toward the cost of a new television set. You plan to save $5 more each week for the next several weeks. Find the total amount saved after 7 weeks.
Mr. Goodly bought a case (24 cans)of Monster energy drinks for $28.
Shell sells the drinks 3 for $5.Which is the better buy,Sam’s or Shell? Justify.
5-500A1 - 100
Sam’s = $1.16Shell = $1.66
6-1001 - 100
zyx
xyz
x = 2, y = 1, z = 3
WTIIShow steps. If needed, give answer
in form of a mixed number.
6-100A1 - 100
6-200
WTIIShow steps. If needed, give answer
in form of a mixed number.
zyx
xyz
x = 7, y = 1, z = 4
6-200A1 - 100
3
12
6-300
Kerry can buy apples for 35¢ each, pears for 38¢ each, and
oranges for 42¢ each. She buys 3 pieces of each type of
fruit. How much does she spend in all?
6-300A1 - 100
6-400
Gerry reads a lot of books. He decided to donate 25% of his books to charity. If Gerry has 40 books, how many books will he donate to charity?
6-400A1 - 100
6-500
One day, a research company surveyed 2 out of every 10
shoppers. A total of 540 people were shopping that day. How many people were surveyed?
6-500A1 - 100
54010
2 x
Tony wants to join a fitness club and he is considering the two membership options below.
Silver: $20 per month plus $2 per visit
Gold: $36 per month with unlimited visits
For what number of visits is the charge for the two membership plans the same?