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evablogger [386]
3 years ago
14

The scale of a map is 4 cm: 15 km. If the distance on the map between two cities is 7 cm, what is the actual distance?

Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0

Answer:

26.25 km

Step-by-step explanation:

Step up a portion.  Here, 4 cm is to 7 cm as 15km is to x km

4/7 = 15/x

Now solve for x by cross multiplying

4x = 105

  x = 105/4    (divide by 4 on both sides)

  x = 26.25 km    (simplify)

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Step-by-step explanation:

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Here is the math:

8.5 * 5 = 42.5

Think about it, for every inch there is on the map there is an extra 5 feet in real space. There is 8 inches, so we need 5 extra feet for each of those 8 inches. So what we get for 1 inch is 5 feet, for 2 inches 10 feet, 3 inches 15 feet, etc etc until we reach 8 inches. For the 0.5 inches alone that would equal 2.5 feet in real life since 1 inch is 5 feet.

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Step-by-step explanation:

<em>Parenthesis</em>

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<em>Do exponent first.</em>

<em>5^4=5*5*5*5=625</em>

<em>Standard form of 5^4 is: ⇒  600+200+5</em>

<em>625 is the correct answer.</em>

<em>600+200+5 is the correct answer.</em>

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