Charlie and Andie solve this problem in two different ways:
2 answers:
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Actually Welcome to the concept of calculations of bills.
The bill calculation goes as equation,
y = $250 + n*($10)
here, n = number of lines,
1.) For n = 2 , Y = cost = 250 + 20 = $270
2.) for n = 4 , Y = $290
3.) for n = 6 , Y = $310
4.) for n = x, Y = $250 + x*($10)
for lastly 12 members we get as,
Y = 250 + (12)*(10) = 250+120 = $370
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Method 1
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Since the numerators are the same, the smaller the denominators, the greater the fraction is.
Arranging from the least to the greatest
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Method 2
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Lets change all to the same denominators
Now that all the denominators are the same, we can arrange the fractions by comparing the numerators. The bigger the numerators, the greater the fraction.
Arranging from the least to the greatest
Method 1
----------------------------------------------------------------
Since the numerators are the same, the smaller the denominators, the greater the fraction is.
Arranging from the least to the greatest
----------------------------------------------------------------
Method 2
----------------------------------------------------------------
Lets change all to the same denominators
Now that all the denominators are the same, we can arrange the fractions by comparing the numerators. The bigger the numerators, the greater the fraction.
Arranging from the least to the greatest