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n200080 [17]
3 years ago
6

A 15 foot building casts a 9 foot shadow. How tall is the building if it casts a 30 foot shadow at the same time?

Mathematics
1 answer:
ladessa [460]3 years ago
7 0
15 : 9 = x : 30
x = 30 * 15 : 9
x = 50
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In which number does the digit 3 have a value that is ten times greater than the value of the digit 3 in the number 145,317?
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A number where the digit 3 has a value ten times greater than the 3 in 145,317 can be 143,417.

<h3>How to work with place values?</h3>

In any number, the place value refers to the "place" that a digit has on a number. The first one is the units place, the second is the tens place, and so on.

As more in the left is the place value, the largest value it represents.

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For example, in 143,417

The 3 is more in the left than before, this time on the fourth place, this time the value of the 3 is 3,000.

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If you want to learn more about place values:

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