You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?
Subtract the cost of the magazine from what you spent:
$25 - $5 = $20.
If you spent $20 on 4 erasers, we divide 20/4 = $5 per eraser
Alex sells cars at Keith Palmer ford. He earns 400 dollars a week plus 150 dollars per car he sells. If he earned 1450 dollars last week, how many cars did he sell?
Subtract the base salary of $400
$1,450 - 400 =$1,050
Divide this by 150 per car
$1,050/$150 = 7 cars
A grocery store sells 6 pounds of apples for $12. What is the unit price of the apples?
Unit Price = Cost/Quantity
Unit Price = 12/6
Unit Price = $2/lb
If 7 movie tickets cost $63 what is the unit price of the movie tickets?
Unit Cost = Total Cost / Total Quantity
Unit Cost = 63/7
Unit Cost = $9 per ticket
At Sams Club, 32 cans of Coke cost a total of $8.96. What is the cost per can?
Unit Cost is Total Cost / Number of Units
Unit Cost = $8.96/32
Unit Cost = $0.28
Shen buys a pack of 9 towels for $24.30. Find the unit price in dollars per towel.
Unit Price = Total Price/Units
Unit Price = 24.30/9
Unit Price = 2.7
Lunch meat A is 10.00 for 2 lbs or meat B for 6.00 for 1lb
Determine unit cost:
Unit Cost A = 10/2 lbs = 5 per lb
Unit Cost B = 6/1lb = 6 per lb
Unit Cost A is less, so that is the better buy.
Lena purchased a prepaid phone card for $15. Long distance calls cost 24 cents a minute using this card. Lena used her card only once to make a long distance call. If the remaining credit on her card is $4.92, how many minutes did her call last?
Figure out how many minutes Lena used:
Lena...
Computers R US was selling laptops that had 4GB of memory for $495. You can buy additional memory for $97 per GB. If your grandfather gave you $980 to buy a laptop and additional memory, how much memory can you get?
Figure out remaining money total after buying the laptop
4GB: 980 - 495 = 485...
We need to find the unit cost, which is the cost of one unit of measurement.
The measurement unit is in pounds.
If it costs $11.25 for a 3 pound bag, how much is it per pound?
$11.25/3 = $3.75 per pound.