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enyata [817]
4 years ago
6

What are the differences between the metric and English systems of measurement?

Mathematics
2 answers:
Sholpan [36]4 years ago
5 0

All of the metric systems of measurement are base 10. What this means is that for every 10 of something, you get the next level of that. For instance, 10mm = 1cm.

What the United States uses for their measurement has random bases. For instance, 12 inches = 1 foot.

uysha [10]4 years ago
4 0

Most countries use the Metric System, which uses the measuring units such as meters and grams and adds prefixes like kilo, milli and centi to count orders of magnitude. In the United States, we use the older Imperial system, where things are measured in feet, inches and pounds

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Sam has a jar contain 80 coins, all of which are either quarters or nickels. The total value of the coins is $14.60. How many of
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Answer:

She have <u>53</u> type of quarters and <u>27</u> type of nickels.

Step-by-step explanation:

Given:

Sam has a jar contain 80 coins, all of which are either quarters or nickels.

The total value of quarters and nickels is $14.60.

Now, to get each type of coin she have.

Let the number of quarters be x.

And let the number of nickels be y.

<u><em>So, total number of coins:</em></u>

x+y=80

y=80-x\ \ \ ....(1)

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0.25(x)+0.05(y)=14.60

Substituting the value of y from equation (1):

0.25(x)+0.05(80-x)=14.60

0.25x+4-0.05x=14.60

0.20x+4=14.60

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<em />0.20x=10.60<em />

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x=53.

<u>The number of quarters = 53.</u>

Now, to get the number of nickels by substituting the value of x in equation (1):

y=80-x\\\\y=80-53\\\\y=27.

<u>The number of nickels = 27.</u>

Therefore, she have 53 type of quarters and 27 type of nickels.

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