Ashop sells candles in boxes of 3 for $12.60 each or 1 candle for $5.50. how many candles can julia buy with $20?

the number of scented candles ... x

the number of unscented candles ... y

x + y = 28

$16 * x + $10 * y = $400  ... 16 * x + 10 * y = 400

Step-by-step explanation: This is the equation

16 * (28 - y) + 10 * y = 40016 * 28 - 16 * y + 10 * y = 400448 - 400 = 16 * y - 10 * y48 = 6 * y    /6y = 48 / 6y = 8x = 28 - y = 28 - 8 = 20Result: The candle shop sold 20 scented candles and 8 unscented candles today.

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step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.