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AfilCa [17]
3 years ago
13

The number of boys if the total height would of the boys is 16.4 meters and their average height is 1.2 meters

Mathematics
1 answer:
galben [10]3 years ago
3 0
Number of boys= 16.4÷ 1.2=13
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Isabel drove 864 miles in 12 hours.<br> At the same rate, how many miles would she drive in 7 hours?
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Answer:

504 miles

Step-by-step explanation:

Make a proportion

\frac{864}{12} = \frac{x}{7}

7/12 is 0.5833, so multiply 864 by that to find the number of miles

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An airline charges nothing for a suitcase up to 20 pounds. For every pound over 20, the airline charges $2 per pound (only for p
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3 years ago
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The numbers 1-4 are each written on an index card. The 4 cards are put into a bag and 2 of them are drawn at random. What is the
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Answer:

Step-by-step explanation:

Write a list of all possible outcomes

1-2

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3-2

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4-1

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So the probability is 4/12 = 1/3, just as you said.

Is there an easier way?

You might be able to get the 12 easier.

You have 4 choices for the first number and 3 for the second.

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4 and 2 make six. That gives 2 more ways 4-2 and 2-4

That's all that's possible.

answer: 4 ways make success. The total number of ways is 12.

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3 years ago
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