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Ahat [919]
3 years ago
6

HELP AGAIN............

Mathematics
1 answer:
dybincka [34]3 years ago
3 0

Answer:

  $0.55

Step-by-step explanation:

Since you're only interested in the "a" variable, you can eliminate r from the system by subtracting 5 times the second equation from 12 times the first.

  12(5r +15a) -5(12r +11a) = 12(10.5) -5(11.45)

  60r +180a -60r -55a = 126 -57.25

  125a = 68.75

  68.75/125 = a = 0.55 . . . . . . . the cost of each apple

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How much is the number 727731000 in percent form
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Answer:

72773100000%

Step-by-step explanation:

"Percent" means "per 100" or "over 100". So, to convert 727731000 to percent we rewrite 727731000 in terms of "per 100" or over 100.

Multiply 727731000 by 100/100. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number.

7277310001×100100=72773100000100

72773100000/100 is 72773100000 over 100 and means 72773100000 per 100. 72773100000 "per 100" means 72773100000 "percent" or 72773100000%

Therefore, we have shown that

727731000 = 72773100000%

Simplified Conversion:

Multiply by 100 and add the percent sign %

727731000 × 100 becomes 72773100000%

Shortcut Conversion:

Move the decimal point 2 places to the right and add the percent sign %

727731000 becomes 72773100000%

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