Stephanie sells 12 pretzels per hour. Robert sells 15 pretzels per hour. This week, Robert sold an additional 18 pretzels. Which of the following expressions represents the total sales of both people this week, where S represents the number of hours that Stephanie worked and R represents the number of hours that Robert worked?
3 answers
12S + 15R + 18
Kayla is purchasing 5 candles for x dollars each and 5 candle holders for $3.50 each. Kayla paid a total of $27.50. Before tax, what is the cost per candle?
The total cost of candles is 5x and the total cost of candle holders is 5 * $3.50 = $17.50.
Therefore, the total cost of candles and candle holders is: 5x + $17.50 = $27.50.
Subtracting $17.50 from both sides of the equation gives: 5x = $10.
Dividing both sides by 5 gives: x = $2.
Therefore, the cost per candle is $2.
Therefore, the total cost of candles and candle holders is: 5x + $17.50 = $27.50.
Subtracting $17.50 from both sides of the equation gives: 5x = $10.
Dividing both sides by 5 gives: x = $2.
Therefore, the cost per candle is $2.