Problem 28
It took Michael 1 1/2 hours to
make a crown. It took him twice as long to forge a helmet. It
took him three times as long to make a sword. How long did he
need to make a new crown and sword for the king?
Step 1. What does the problem ask
you to find?
- The number of hours it took
to make a helmet.
- The number of gems in the
sword.
- The number of hours Michael
needed to make a crown and a sword.
- The number of kings he had to
supply with armor.
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Step 2. What information is needed
to solve the problem?
- The number of hours it took
to make crown.
- The number of hours it took
to make a helmet.
- The number of hours it took
to make a sword and a helmet.
- The number of hours it took
to make a sword and a crown.
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Step 3 Select the correct
expression.
- 1 1/2 + 2 x 1 1/2
- 1 1/2 + (2 x 1 1/2) + (3 x 1
1/2)
- 1 1/2 + (3 x 1 1/2)
- (2 x 1 1/2) + (3 x 1 1/2)
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Step 4. Select the correct
solution.
- 4 1/2
- 9
- 6
- 7 1/2
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