3-12
175
150
125
100
75
50
Number of Persons 25
Under
12
13–1 9 20–40 41 and
up
Ages
0
Audience
Problem-Solving Applications:Mixed Review
Solve each problem and explain the method you used.
- Jan and Kelly built a giant chain of 1378
plastic dominoes and 2267 wood dominoes.
How many dominoes did they use? - The chain was 300 feet long. The first 127 feet
were plastic dominoes. How many feet of chain
were wood dominoes? - They set up the chain on the gym floor, which
is 10,000 square feet in area. The chain took
up 6341 square feet. How much of the gym
floor was not covered? - Jan and Kelly spent 192 minutes on Friday
setting up the dominoes. They worked for
218 minutes on Saturday. How long did it
take them to set up the chain? - Their project raised $ 1070. They paid $ 318 for
the dominoes. They gave the rest to charity.
How much money did Jan and Kelly donate? - Use the graph at the right. How many
people were in the audience that
saw the domino chain? - The plastic dominoes fell in
109 seconds. Then the wood
dominoes fell in 189 seconds.
How long did it take the entire
chain to fall down? - Jan and Kelly are planning next
year’s chain. They will use 2567
plastic dominoes and 3271 wood
dominoes. How many dominoes
will they use?
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